diff --git a/scripts/bytecodecompare/storebytecode.sh b/scripts/bytecodecompare/storebytecode.sh
index 653c86ba3..564de3f81 100755
--- a/scripts/bytecodecompare/storebytecode.sh
+++ b/scripts/bytecodecompare/storebytecode.sh
@@ -93,7 +93,7 @@ EOF
         git config user.email "chris@ethereum.org"
         git clean -f -d -x
 
-        DIRNAME=$(cd "$REPO_ROOT" && git show -s --format="%cd-H" --date=short)
+        DIRNAME=$(cd "$REPO_ROOT" && git show -s --format="%cd-%H" --date=short)
         mkdir -p "$DIRNAME"
         REPORT="$DIRNAME/$ZIP_SUFFIX.txt"
         cp ../report.txt "$REPORT"