diff --git a/src/core/graphicsbuffer.h b/src/core/graphicsbuffer.h
index 38a57f7af3..bcd536d91a 100644
--- a/src/core/graphicsbuffer.h
+++ b/src/core/graphicsbuffer.h
@@ -24,8 +24,8 @@ struct DmaBufAttributes
     uint64_t modifier = 0;
 
     FileDescriptor fd[4];
-    int offset[4] = {0, 0, 0, 0};
-    int pitch[4] = {0, 0, 0, 0};
+    uint32_t offset[4] = {0, 0, 0, 0};
+    uint32_t pitch[4] = {0, 0, 0, 0};
 };
 
 struct ShmAttributes