diff --git a/apps/plugins/invadrox.c b/apps/plugins/invadrox.c
index ea4a0a28e5..50dda2b34d 100644
--- a/apps/plugins/invadrox.c
+++ b/apps/plugins/invadrox.c
@@ -1657,7 +1657,7 @@ void init_invadrox(void)
 }
 
 
-inline bool handle_buttons(void)
+static inline bool handle_buttons(void)
 {
     static unsigned int oldbuttonstate = 0;