diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
index 94e7c53ad..c11fca13d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
@@ -138,6 +138,7 @@ public final PlotCommit getChild(int nth) {
 	 *            the commit to test.
 	 * @return true if the given commit built on top of this commit.
 	 */
+	@SuppressWarnings("ReferenceEquality")
 	public final boolean isChild(PlotCommit c) {
 		for (PlotCommit a : children)
 			if (a == c)