diff --git a/src/internal/syscall_ret.c b/src/internal/syscall_ret.c
index d99f4a50..a3f47136 100644
--- a/src/internal/syscall_ret.c
+++ b/src/internal/syscall_ret.c
@@ -1,4 +1,5 @@
 #include <errno.h>
+#include "syscall.h"
 
 long __syscall_ret(unsigned long r)
 {