diff --git a/menu/cbs/menu_cbs_left.c b/menu/cbs/menu_cbs_left.c
index 75026eb31a..7e6fb6cb79 100644
--- a/menu/cbs/menu_cbs_left.c
+++ b/menu/cbs/menu_cbs_left.c
@@ -60,7 +60,7 @@ static int generic_shader_action_parameter_left(
    return 0;
 }
 
-int shader_action_parameter_left(unsigned type, const char *label, bool wraparound)
+static int shader_action_parameter_left(unsigned type, const char *label, bool wraparound)
 {
    video_shader_ctx_t shader_info;
    struct video_shader_parameter *param = NULL;
diff --git a/menu/menu_shader.c b/menu/menu_shader.c
index 6fee9be4f2..951163583e 100644
--- a/menu/menu_shader.c
+++ b/menu/menu_shader.c
@@ -30,6 +30,7 @@
 #include "../file_path_special.h"
 #include "../configuration.h"
 #include "../paths.h"
+#include "../retroarch.h"
 #include "../verbosity.h"
 
 #ifdef HAVE_SHADER_MANAGER