diff --git a/src/ppu.c b/src/ppu.c
index ed8ea5c..ee6c973 100644
--- a/src/ppu.c
+++ b/src/ppu.c
@@ -555,7 +555,8 @@ void draw_dot_ppu(ppu_t *ppu) {
 
     unsigned char bg_palette = bg_pa0 | (bg_pa1 << 1);
     unsigned char bg_color = bg_pt0 | (bg_pt1 << 1);
-    if (ppu->dot <= 7 && !(ppu->mask & PPU_MASK_SHOW_BG_LEFT)) {
+    if ((ppu->dot <= 7 && !(ppu->mask & PPU_MASK_SHOW_BG_LEFT)) ||
+        !(ppu->mask & PPU_MASK_SHOW_BG)) {
         bg_color = 0;
     }
 
@@ -573,7 +574,8 @@ void draw_dot_ppu(ppu_t *ppu) {
             bool sp_pt0 = ppu->sprite_shift[i * 2] & 0x100;
             bool sp_pt1 = ppu->sprite_shift[i * 2 + 1] & 0x100;
             unsigned char sp_color_tmp = sp_pt0 | (sp_pt1 << 1);
-            if (ppu->dot <= 7 && !(ppu->mask & PPU_MASK_SHOW_SPRITES_LEFT)) {
+            if ((ppu->dot <= 7 && !(ppu->mask & PPU_MASK_SHOW_SPRITES_LEFT)) ||
+                !(ppu->mask & PPU_MASK_SHOW_SPRITES)) {
                 sp_color_tmp = 0;
             }