diff --git a/action.yml b/action.yml
index 1e9fb63..a8f47e6 100644
--- a/action.yml
+++ b/action.yml
@@ -157,7 +157,7 @@ runs:
         TEMP_DIR="${RUNNER_TEMP:-/tmp}"
         WRAPPER_DIR=$(mktemp -d "$TEMP_DIR/setup-ssh-client-XXXXXX")
         mkdir -p "$WRAPPER_DIR"
-        WRAPPER_PATH=${mktemp "$WRAPPER_DIR/ssh-remote-shell-XXXXXX.sh"}
+        WRAPPER_PATH="${mktemp "$WRAPPER_DIR/ssh-remote-shell-XXXXXX.sh"}"
         
         cat << 'WRAPPER_EOF' > "$WRAPPER_PATH"
         #!/bin/bash