diff --git a/general.h b/general.h
index 048abde579..a26b35b0d2 100644
--- a/general.h
+++ b/general.h
@@ -98,4 +98,8 @@ extern struct global g_extern;
    fprintf(stderr, "SSNES [ERROR] :: " msg, ##args); \
    } while(0)
 
+#define SSNES_WARN(msg, args...) do { \
+   fprintf(stderr, "SSNES [WARN] :: " msg, ##args); \
+   } while(0)
+
 #endif
diff --git a/gfx/gl.c b/gfx/gl.c
index bf2cdaca75..04d8606c2e 100644
--- a/gfx/gl.c
+++ b/gfx/gl.c
@@ -172,6 +172,9 @@ static const input_driver_t input_glfw = {
 
 static inline bool gl_shader_init(void)
 {
+   if (strlen(g_settings.video.cg_shader_path) > 0 && strlen(g_settings.video.bsnes_shader_path) > 0)
+      SSNES_WARN("Both Cg and bSNES XML shader are defined in config file. Cg shader will be selected by default.\n");
+
 #ifdef HAVE_CG
    if (strlen(g_settings.video.cg_shader_path) > 0)
       return gl_cg_init(g_settings.video.cg_shader_path);