--- a/stage1_2/iec.flex	Thu Feb 01 11:43:09 2007 +0100
+++ b/stage1_2/iec.flex	Thu Feb 01 12:35:57 2007 +0100
@@ -773,7 +773,7 @@
 					 return END_VAR;
 					}
 END_VAR{st_whitespace}INITIAL_STEP	{unput_text(strlen("END_VAR")); 
-					 BEGIN(sfc_state); 
+					 yy_push_state(sfc_state); 
 					 return END_VAR;
 					}
 END_VAR{st_whitespace}			{unput_text(strlen("END_VAR"));