diff --git a/aom_scale/generic/yv12config.c b/aom_scale/generic/yv12config.c
index cd5dbea..7cf3c4f 100644
--- a/aom_scale/generic/yv12config.c
+++ b/aom_scale/generic/yv12config.c
@@ -116,7 +116,7 @@
       memset(ybf->buffer_alloc, 0, (size_t)frame_size);
 #endif
 #endif
-    } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
+    } else if (frame_size > ybf->buffer_alloc_sz) {
       // Allocation to hold larger frame, or first allocation.
       aom_free(ybf->buffer_alloc);
       ybf->buffer_alloc = NULL;