diff --git a/AUTHORS b/AUTHORS
index 810efce9..f2e13ec6 100755
--- a/AUTHORS
+++ b/AUTHORS
@@ -19,6 +19,7 @@ Jacob Middag <jacob@gaddim.nl>
 Jan Matèrne <jhm@apache.org>
 Jan Rieke <it@janrieke.de>
 Jappe van der Hel <jappe.vanderhel@gmail.com>
+John Paul Taylor II <johnpaultaylorii@gmail.com>
 Kevin Chirls <kchirls@users.noreply.github.com>
 Liu DongMiao <liudongmiao@gmail.com>
 Luan Nico <luannico27@gmail.com>
diff --git a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
index 65e2c5c8..c313cf51 100644
--- a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
+++ b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
@@ -2608,6 +2608,13 @@ public class EclipseHandlerUtil {
 		applyAnnotationToVarDecl(typeNode, arg, lib.getNullableAnnotation(), lib.isTypeUse());
 	}
 	
+	public static void createRelevantNullableAnnotation(EclipseNode typeNode, Argument arg, List<NullAnnotationLibrary> applied) {
+		NullAnnotationLibrary lib = typeNode.getAst().readConfiguration(ConfigurationKeys.ADD_NULL_ANNOTATIONS);
+		if (lib == null || applied.contains(lib)) return;
+		
+		applyAnnotationToVarDecl(typeNode, arg, lib.getNullableAnnotation(), lib.isTypeUse());
+	}
+	
 	public static void createRelevantNonNullAnnotation(EclipseNode typeNode, Argument arg) {
 		NullAnnotationLibrary lib = typeNode.getAst().readConfiguration(ConfigurationKeys.ADD_NULL_ANNOTATIONS);
 		if (lib == null) return;
diff --git a/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java b/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java
index a5e8dfb5..940612e7 100755
--- a/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java
+++ b/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java
@@ -44,6 +44,7 @@ import lombok.core.handlers.InclusionExclusionUtils.Included;
 import lombok.core.AnnotationValues;
 import lombok.core.configuration.CallSuperType;
 import lombok.core.configuration.CheckerFrameworkVersion;
+import lombok.core.configuration.NullAnnotationLibrary;
 import lombok.eclipse.Eclipse;
 import lombok.eclipse.EclipseAnnotationHandler;
 import lombok.eclipse.EclipseNode;
@@ -606,19 +607,20 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH
 		int pS = source.sourceStart; int pE = source.sourceEnd;
 		long p = (long) pS << 32 | pE;
 		
-		Annotation[] onParamType = null;
+		List<NullAnnotationLibrary> applied = new ArrayList<NullAnnotationLibrary>();
 		
+		Annotation[] onParamNullable = null;
 		String nearest = scanForNearestAnnotation(type, "javax.annotation.ParametersAreNullableByDefault", "javax.annotation.ParametersAreNonnullByDefault");
 		if ("javax.annotation.ParametersAreNonnullByDefault".equals(nearest)) {
-			onParamType = new Annotation[1];
-			onParamType[0] = new MarkerAnnotation(generateQualifiedTypeRef(source, JAVAX_ANNOTATION_NULLABLE), 0);
+			onParamNullable = new Annotation[] { new MarkerAnnotation(generateQualifiedTypeRef(source, JAVAX_ANNOTATION_NULLABLE), 0) };
+			applied.add(NullAnnotationLibrary.JAVAX);
 		}
 		
+		Annotation[] onParamTypeNullable = null;
 		nearest = scanForNearestAnnotation(type, "org.eclipse.jdt.annotation.NonNullByDefault");
 		if (nearest != null) {
-			Annotation a = new MarkerAnnotation(generateQualifiedTypeRef(source, ORG_ECLIPSE_JDT_ANNOTATION_NULLABLE), 0);
-			if (onParamType != null) onParamType = new Annotation[] {onParamType[0], a};
-			else onParamType = new Annotation[] {a};
+			onParamTypeNullable = new Annotation[] { new MarkerAnnotation(generateQualifiedTypeRef(source, ORG_ECLIPSE_JDT_ANNOTATION_NULLABLE), 0) };
+			applied.add(NullAnnotationLibrary.ECLIPSE);
 		}
 		
 		MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
@@ -640,12 +642,13 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH
 		method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
 		method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
 		QualifiedTypeReference objectRef = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { p, p, p });
-		if (onParamType != null) objectRef.annotations = new Annotation[][] {null, null, onParamType};
+		if (onParamTypeNullable != null) objectRef.annotations = new Annotation[][] {null, null, onParamTypeNullable};
 		setGeneratedBy(objectRef, source);
 		method.arguments = new Argument[] {new Argument(new char[] { 'o' }, 0, objectRef, Modifier.FINAL)};
 		method.arguments[0].sourceStart = pS; method.arguments[0].sourceEnd = pE;
-		if (!onParam.isEmpty()) method.arguments[0].annotations = onParam.toArray(new Annotation[0]);
-		EclipseHandlerUtil.createRelevantNullableAnnotation(type, method.arguments[0]);
+		if (!onParam.isEmpty() || onParamNullable != null)
+			method.arguments[0].annotations = copyAnnotations(source, onParam.toArray(new Annotation[0]), onParamNullable);
+		EclipseHandlerUtil.createRelevantNullableAnnotation(type, method.arguments[0], applied);
 		setGeneratedBy(method.arguments[0], source);
 		
 		List<Statement> statements = new ArrayList<Statement>();
diff --git a/test/transform/resource/after-delombok/EqualsAndHashCodeWithNonNullByDefault.java b/test/transform/resource/after-delombok/EqualsAndHashCodeWithNonNullByDefault.java
new file mode 100644
index 00000000..37711004
--- /dev/null
+++ b/test/transform/resource/after-delombok/EqualsAndHashCodeWithNonNullByDefault.java
@@ -0,0 +1,23 @@
+import javax.annotation.ParametersAreNonnullByDefault;
+@ParametersAreNonnullByDefault
+class EqualsAndHashCodeWithNonNullByDefault {
+	@java.lang.Override
+	@java.lang.SuppressWarnings("all")
+	public boolean equals(@javax.annotation.Nullable final java.lang.Object o) {
+		if (o == this) return true;
+		if (!(o instanceof EqualsAndHashCodeWithNonNullByDefault)) return false;
+		final EqualsAndHashCodeWithNonNullByDefault other = (EqualsAndHashCodeWithNonNullByDefault) o;
+		if (!other.canEqual((java.lang.Object) this)) return false;
+		return true;
+	}
+	@java.lang.SuppressWarnings("all")
+	protected boolean canEqual(@javax.annotation.Nullable final java.lang.Object other) {
+		return other instanceof EqualsAndHashCodeWithNonNullByDefault;
+	}
+	@java.lang.Override
+	@java.lang.SuppressWarnings("all")
+	public int hashCode() {
+		final int result = 1;
+		return result;
+	}
+}
diff --git a/test/transform/resource/after-ecj/EqualsAndHashCodeWithNonNullByDefault.java b/test/transform/resource/after-ecj/EqualsAndHashCodeWithNonNullByDefault.java
new file mode 100644
index 00000000..0cd170b4
--- /dev/null
+++ b/test/transform/resource/after-ecj/EqualsAndHashCodeWithNonNullByDefault.java
@@ -0,0 +1,23 @@
+import javax.annotation.ParametersAreNonnullByDefault;
+@lombok.EqualsAndHashCode @ParametersAreNonnullByDefault class EqualsAndHashCodeWithNonNullByDefault {
+  EqualsAndHashCodeWithNonNullByDefault() {
+    super();
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") boolean equals(final @javax.annotation.Nullable java.lang.Object o) {
+    if ((o == this))
+        return true;
+    if ((! (o instanceof EqualsAndHashCodeWithNonNullByDefault)))
+        return false;
+    final EqualsAndHashCodeWithNonNullByDefault other = (EqualsAndHashCodeWithNonNullByDefault) o;
+    if ((! other.canEqual((java.lang.Object) this)))
+        return false;
+    return true;
+  }
+  protected @java.lang.SuppressWarnings("all") boolean canEqual(final @javax.annotation.Nullable java.lang.Object other) {
+    return (other instanceof EqualsAndHashCodeWithNonNullByDefault);
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") int hashCode() {
+    final int result = 1;
+    return result;
+  }
+}
\ No newline at end of file
diff --git a/test/transform/resource/before/EqualsAndHashCodeWithNonNullByDefault.java b/test/transform/resource/before/EqualsAndHashCodeWithNonNullByDefault.java
new file mode 100644
index 00000000..f91bce3c
--- /dev/null
+++ b/test/transform/resource/before/EqualsAndHashCodeWithNonNullByDefault.java
@@ -0,0 +1,6 @@
+//CONF: lombok.addNullAnnotations = javax
+import javax.annotation.ParametersAreNonnullByDefault;
+@lombok.EqualsAndHashCode
+@ParametersAreNonnullByDefault
+class EqualsAndHashCodeWithNonNullByDefault {
+}
\ No newline at end of file