1 files changed, 1 insertions, 1 deletions
diff --git a/src/macros.c b/src/macros.c
index c73986abd34..07667f09431 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -80,7 +80,7 @@ macro before appending to it.  */)
     }
   else
     {
-      const ptrdiff_t incr = 30;
+      int incr = 30;
       ptrdiff_t i, len;
       bool cvt;