diff --git a/tools/op.sh b/tools/op.sh
index 849fd0bff6..0166b0d854 100755
--- a/tools/op.sh
+++ b/tools/op.sh
@@ -329,7 +329,7 @@ function op_switch() {
 
   git fetch "$REMOTE" "$BRANCH"
   git checkout -f --recurse-submodules "$BRANCH"
-  git reset --hard "$BRANCH"
+  git reset --hard "${REMOTE}/${BRANCH}"
   git clean -df
   git submodule update --init --recursive
   git submodule foreach git reset --hard