diff --git a/libobs/graphics/graphics.c b/libobs/graphics/graphics.c
index 9d8c63e09..9f965670d 100644
--- a/libobs/graphics/graphics.c
+++ b/libobs/graphics/graphics.c
@@ -213,7 +213,8 @@ void gs_destroy(graphics_t *graphics)
 	}
 
 	pthread_mutex_destroy(&graphics->mutex);
-	pthread_mutex_destroy(&graphics->effect_mutex);
+	if (graphics->effect_mutex)
+		pthread_mutex_destroy(&graphics->effect_mutex);
 	da_free(graphics->matrix_stack);
 	da_free(graphics->viewport_stack);
 	da_free(graphics->blend_state_stack);