diff --git a/libretro-common/include/retro_miscellaneous.h b/libretro-common/include/retro_miscellaneous.h
index b51cc15e60..010b04f19c 100644
--- a/libretro-common/include/retro_miscellaneous.h
+++ b/libretro-common/include/retro_miscellaneous.h
@@ -46,7 +46,7 @@ static INLINE void bits_clear_bits(uint32_t *a, uint32_t *b, uint32_t count)
 {
    uint32_t i;
    for (i = 0; i < count;i++)
-      a[i] &= b[i];
+      a[i] &= ~b[i];
 }
 
 static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)