diff --git a/SWIG/Lib/guile/guile_gh_run.swg b/SWIG/Lib/guile/guile_gh_run.swg
index 7a5f8fe3d..a0093e6da 100644
--- a/SWIG/Lib/guile/guile_gh_run.swg
+++ b/SWIG/Lib/guile/guile_gh_run.swg
@@ -116,8 +116,9 @@ typedef struct swig_type_info {
   swig_converter_func converter;
   const char  *str;
   void        *clientdata;
-  size_t tag;
   swig_dycast_func        dcast;
+  size_t tag;
+  int dummy;
 } swig_type_info;
 
 SWIGSTATIC void