diff --git a/src/env/__init_security.c b/src/env/__init_security.c
index 8270f1f4..395abeb5 100644
--- a/src/env/__init_security.c
+++ b/src/env/__init_security.c
@@ -8,7 +8,7 @@
 
 #define AUX_CNT 24
 
-void dummy(size_t *auxv)
+static void dummy(size_t *auxv)
 {
 }
 weak_alias(dummy, __init_ssp);