diff --git a/sh/cli/install.sh b/sh/cli/install.sh
index 9f903e74..d45e2d53 100755
--- a/sh/cli/install.sh
+++ b/sh/cli/install.sh
@@ -169,10 +169,10 @@ ensure_in_path() {
     # 1. Check if install_dir and bun are already in the user's real PATH
     local spawn_in_path=false
     local bun_in_path=false
-    if echo "${_SPAWN_ORIG_PATH}" | tr ':' '\n' | grep -qx "${install_dir}"; then
+    if echo "${_SPAWN_ORIG_PATH}" | tr ':' '\n' | grep -qxF "${install_dir}"; then
         spawn_in_path=true
     fi
-    if echo "${_SPAWN_ORIG_PATH}" | tr ':' '\n' | grep -qx "${bun_bin_dir}"; then
+    if echo "${_SPAWN_ORIG_PATH}" | tr ':' '\n' | grep -qxF "${bun_bin_dir}"; then
         bun_in_path=true
     fi