diff --git a/bin/test_static_page.sh b/bin/test_static_page.sh
index d651c1d..e9571f6 100755
--- a/bin/test_static_page.sh
+++ b/bin/test_static_page.sh
@@ -8,7 +8,7 @@ SERVER_PID=$!
 sleep 5
 
 # Check if the server is running
-if ! ps -p $SERVER_PID > /dev/null; then
+if [ ! -d "/proc/$SERVER_PID" ]; then
     echo "HTTP server failed to start."
     exit 1
 fi