diff --git a/libretro-common/formats/png/rpng.c b/libretro-common/formats/png/rpng.c
index f60036977d..1c2b2de1d9 100644
--- a/libretro-common/formats/png/rpng.c
+++ b/libretro-common/formats/png/rpng.c
@@ -473,7 +473,7 @@ static void png_reverse_filter_adam7_deinterlace_pass(uint32_t *data,
       const uint32_t *input, unsigned pass_width, unsigned pass_height,
       const struct adam7_pass *pass)
 {
-   unsigned y;
+   unsigned x, y;
 
    data += pass->y * ihdr->width + pass->x;