diff --git a/tools/cpp/osx_cc_wrapper.sh b/tools/cpp/osx_cc_wrapper.sh
index 8c9c111a750587..bd8f12f26a9747 100755
--- a/tools/cpp/osx_cc_wrapper.sh
+++ b/tools/cpp/osx_cc_wrapper.sh
@@ -53,7 +53,7 @@ function parse_option() {
 
 # let parse the option list
 for i in "$@"; do
-    if [[ "$i" = @* ]]; then
+    if [[ "$i" = @* && -r "${i:1}" ]]; then
         while IFS= read -r opt
         do
             parse_option "$opt"
diff --git a/tools/cpp/osx_cc_wrapper.sh.tpl b/tools/cpp/osx_cc_wrapper.sh.tpl
index 28bd47ba1a4a97..25ed2ece8e8b4e 100644
--- a/tools/cpp/osx_cc_wrapper.sh.tpl
+++ b/tools/cpp/osx_cc_wrapper.sh.tpl
@@ -52,7 +52,7 @@ function parse_option() {
 
 # let parse the option list
 for i in "$@"; do
-    if [[ "$i" = @* ]]; then
+    if [[ "$i" = @* && -r "${i:1}" ]]; then
         while IFS= read -r opt
         do
             parse_option "$opt"