diff --git a/src/DynareFlex.ll b/src/DynareFlex.ll
index 8f0ac71a0eba9ed6c789f3b32dcd3cbdce0f80a6..817a83fa415e0ab468728b61416fa34d3051c9ec 100644
--- a/src/DynareFlex.ll
+++ b/src/DynareFlex.ll
@@ -52,7 +52,7 @@ string eofbuff;
 
 %option prefix="Dynare"
 
-%option case-insensitive noyywrap nounput batch debug never-interactive
+%option case-insensitive noyywrap batch debug never-interactive
 
  /* NB: if new start conditions are defined, add them in the line for <<EOF>> */
 %x COMMENT