diff --git a/Source/SWIG1.1/main.cxx b/Source/SWIG1.1/main.cxx
index 34cf2c745..abb633717 100644
--- a/Source/SWIG1.1/main.cxx
+++ b/Source/SWIG1.1/main.cxx
@@ -245,7 +245,7 @@ int SWIG_main(int argc, char *argv[], Language *l, Documentation *d) {
   }
 
   while (includecount > 0) {
-    SWIG_add_directory((DOH *) includefiles[includecount]);
+    SWIG_add_directory((DOH *) includefiles[includecount++]);
   }
     
   // Open up a comment handler