diff --git a/libcopybit/copybit_c2d.cpp b/libcopybit/copybit_c2d.cpp
index d3ae827..9e2820d 100644
--- a/libcopybit/copybit_c2d.cpp
+++ b/libcopybit/copybit_c2d.cpp
@@ -1391,8 +1391,8 @@
 {
     int status = COPYBIT_SUCCESS;
     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
-    struct copybit_rect_t dr = { 0, 0, dst->w, dst->h };
-    struct copybit_rect_t sr = { 0, 0, src->w, src->h };
+    struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
+    struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
     pthread_mutex_lock(&ctx->wait_cleanup_lock);
     status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
     pthread_mutex_unlock(&ctx->wait_cleanup_lock);