diff --git a/src/parser3.h b/src/parser3.h
index 5ba294a..3d62c2f 100644
--- a/src/parser3.h
+++ b/src/parser3.h
@@ -705,7 +705,7 @@ inline PRESERVE_NONE WeaselJsonStatus singleChar(Parser3 *self, char *buf,
 
 inline PRESERVE_NONE WeaselJsonStatus t_eof(Parser3 *self, char *buf,
                                             char *bufEnd) {
-  if (bufEnd - buf > 0) [[unlikely]] {
+  if (buf != bufEnd) [[unlikely]] {
     return WeaselJson_REJECT;
   }
   return self->complete ? WeaselJson_OK : WeaselJson_AGAIN;