diff --git a/gfx/shader_cg.c b/gfx/shader_cg.c
index c2d0858fdf..6a357645cf 100644
--- a/gfx/shader_cg.c
+++ b/gfx/shader_cg.c
@@ -100,6 +100,7 @@ void gl_cg_deinit(void)
 {
    if (cg_active)
       cgDestroyContext(cgCtx);
+   cg_active = false;
 }
 
 bool gl_cg_init(const char *path)