--- a/c2iec.l
+++ b/c2iec.l
@@ -18,6 +18,7 @@
 %%
 "/*"			{ comment(); }
 "//"[^\n]*              { /* consume //-comment */ }
+^"#"[^\n]*              { /* consume preprocessor left overs */ }
 
 
 "auto"			{ count(); return(AUTO); }