diff --git a/mod_php_install.sh b/mod_php_install.sh
index 032ad5c..79ada6f 100755
--- a/mod_php_install.sh
+++ b/mod_php_install.sh
@@ -3219,7 +3219,7 @@ $FPM_LOG_DIR/*log {
       if [[ -f "${FPM_LOG_DIR}/php_errors.log" ]] ; then
          chown ${HTTPD_USER}:$HTTPD_GROUP ${FPM_LOG_DIR}/php_errors.log
       fi
-      [ ! -f $FPM_PID_FILE ]] || kill -USR1 $(cat ${FPM_PID_FILE})
+      [ ! -f $FPM_PID_FILE ]] || kill -USR1 \$(cat ${FPM_PID_FILE})
    endscript
 }
 EOF