diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
index 30932e827..83aa8fa4d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
@@ -399,7 +399,7 @@ final boolean contains(final byte[] a, int aOff, final int aLen) {
 		for (int eOff = 0; eOff < eLen && aOff < aLen; eOff++, aOff++)
 			if (e[eOff] != a[aOff])
 				return false;
-		if (aOff == aLen)
+		if (aOff >= aLen)
 			return false;
 		return a[aOff] == '/';
 	}