diff --git a/src/video.cpp b/src/video.cpp
index 39ef30e..cb080bb 100644
--- a/src/video.cpp
+++ b/src/video.cpp
@@ -761,6 +761,7 @@ void VideoSystem::BlitImages(int32 x_base, int32 y_base, const ImageData *spr, u
 							BlitPixel(this->blit_rect, src_base, xpos, ypos, numx, numy, spr->width, spr->height, colour);
 							xpos++;
 							src_base++;
+							src += 3;
 						}
 						break;
 
@@ -772,6 +773,7 @@ void VideoSystem::BlitImages(int32 x_base, int32 y_base, const ImageData *spr, u
 							BlitPixel(this->blit_rect, src_base, xpos, ypos, numx, numy, spr->width, spr->height, colour);
 							xpos++;
 							src_base++;
+							src += 3;
 						}
 						break;
 					}