diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 0b0c9a6a120ee2629db31ab1a96a8d235d9e0cde..eefe5df2a5dafbe725e5cffe8ce4e5ac83b6e1e8 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -250,7 +250,13 @@ EOS
 
   if [[ -z "$HOMEBREW_MERGE" ]]
   then
-    git rebase "${QUIET_ARGS[@]}" "$REMOTE_REF"
+    # Work around bug where git rebase --quiet is not quiet
+    if [[ -z "$HOMEBREW_VERBOSE" ]]
+    then
+      git rebase "$REMOTE_REF" >/dev/null
+    else
+      git rebase "${QUIET_ARGS[@]}" "$REMOTE_REF"
+    fi
   else
     git merge --no-edit --ff "${QUIET_ARGS[@]}" "$REMOTE_REF" \
       --strategy=recursive \