diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 56e76fc35cd..441e84aa092 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -1144,6 +1144,7 @@ unsigned int get_args_size( const ORDDEF *odp )
         {
         case ARG_INT64:
         case ARG_DOUBLE:
+            if (target_cpu == CPU_ARM) size = (size + 7) & ~7;
             size += 8;
             break;
         case ARG_INT128: