diff --git a/src/utils/process.c b/src/utils/process.c
index 6ef0fec..33cbaf5 100644
--- a/src/utils/process.c
+++ b/src/utils/process.c
@@ -1,3 +1,7 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE // NOLINT
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>