diff --git a/src/mbyte.c b/src/mbyte.c
index 7fdd44d..b896477 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -4325,7 +4325,8 @@
 	{
 	    if (IMAGE_SNAP_BY_ORDINAL(pINT->u1.Ordinal))
 		continue;
-	    pImpName = (PIMAGE_IMPORT_BY_NAME)(pImage + pINT->u1.AddressOfData);
+	    pImpName = (PIMAGE_IMPORT_BY_NAME)(pImage
+					+ (UINT_PTR)(pINT->u1.AddressOfData));
 	    if (strcmp(pImpName->Name, funcname) == 0)
 		return (void *)pIAT->u1.Function;
 	}