diff --git a/src/ppu.c b/src/ppu.c
index bf5addb..b626bd6 100644
--- a/src/ppu.c
+++ b/src/ppu.c
@@ -11,6 +11,8 @@ void nes_ppu_init(nes_PPU* ppu, nes_PPU_Memory* mem) {
     pal[0] = pal[4] = pal[8] = pal[12] =
         pal[16] = pal[20] = pal[24] =
         pal[28] = 0xFFU;
+
+    ppu->hit_line = -1;
 }