diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
index 96f1d542c..4eabb0316 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
@@ -1189,7 +1189,7 @@ public final class DfsPackFile {
 		}
 	}
 
-	private boolean isCorrupt(long offset) {
+	boolean isCorrupt(long offset) {
 		LongList list = corruptObjects;
 		if (list == null)
 			return false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReader.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReader.java
index 1665c2c77..66421e2a8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReader.java
@@ -476,7 +476,7 @@ public final class DfsReader extends ObjectReader implements ObjectReuseAsIs {
 		PackIndex idx = pack.getPackIndex(this);
 		for (ObjectToPack otp : objects) {
 			long p = idx.findOffset(otp);
-			if (0 < p) {
+			if (0 < p && !pack.isCorrupt(p)) {
 				otp.setOffset(p);
 				tmp.add((DfsObjectToPack) otp);
 			}