diff --git a/diff-sha.sh b/diff-sha.sh
index edc1f3d0..4644cfcf 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -225,7 +225,7 @@ else
         depth=$INPUT_FETCH_DEPTH
         max_depth=$INPUT_MAX_FETCH_DEPTH
 
-        while ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA"..."$CURRENT_SHA"; do
+        while ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA"..."$CURRENT_SHA" 1>/dev/null 2>&1; do
           echo "Fetching $depth commits..."
 
           # shellcheck disable=SC2086