int src_x = src_gpu_addr & 255;
                        int dst_x = dst_gpu_addr & 255;
                        int h = 1;
-                       src_gpu_addr = src_gpu_addr & ~255;
-                       dst_gpu_addr = dst_gpu_addr & ~255;
+                       src_gpu_addr = src_gpu_addr & ~255ULL;
+                       dst_gpu_addr = dst_gpu_addr & ~255ULL;
 
                        if (!src_x && !dst_x) {
                                h = (cur_size / max_bytes);
                        int src_x = (src_gpu_addr & 255);
                        int dst_x = (dst_gpu_addr & 255);
                        int h = 1;
-                       src_gpu_addr = src_gpu_addr & ~255;
-                       dst_gpu_addr = dst_gpu_addr & ~255;
+                       src_gpu_addr = src_gpu_addr & ~255ULL;
+                       dst_gpu_addr = dst_gpu_addr & ~255ULL;
 
                        if (!src_x && !dst_x) {
                                h = (cur_size / max_bytes);
 
                        int src_x = src_gpu_addr & 255;
                        int dst_x = dst_gpu_addr & 255;
                        int h = 1;
-                       src_gpu_addr = src_gpu_addr & ~255;
-                       dst_gpu_addr = dst_gpu_addr & ~255;
+                       src_gpu_addr = src_gpu_addr & ~255ULL;
+                       dst_gpu_addr = dst_gpu_addr & ~255ULL;
 
                        if (!src_x && !dst_x) {
                                h = (cur_size / max_bytes);
                        int src_x = (src_gpu_addr & 255);
                        int dst_x = (dst_gpu_addr & 255);
                        int h = 1;
-                       src_gpu_addr = src_gpu_addr & ~255;
-                       dst_gpu_addr = dst_gpu_addr & ~255;
+                       src_gpu_addr = src_gpu_addr & ~255ULL;
+                       dst_gpu_addr = dst_gpu_addr & ~255ULL;
 
                        if (!src_x && !dst_x) {
                                h = (cur_size / max_bytes);