diff --git a/src/rootcheck/os_string.c b/src/rootcheck/os_string.c
index 069f5bd..e5aafca 100755
--- a/src/rootcheck/os_string.c
+++ b/src/rootcheck/os_string.c
@@ -78,7 +78,7 @@ struct exec
 
 #else
 
-#include <a.out.h>
+#include <linux/a.out.h>
 #endif