1 files changed, 2 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index fd06be4..e6ea2ab 100644
--- a/src/main.c
+++ b/src/main.c
@@ -496,7 +496,8 @@ void check_options (void)
     m4defs_buf.nelts = 0; /* memory leak here. */
 
     /* Place a bogus line directive, it will be fixed in the filter. */
-    outn("#line 0 \"M4_YY_OUTFILE_NAME\"\n");
+    if (gen_line_dirs)
+        outn("#line 0 \"M4_YY_OUTFILE_NAME\"\n");
 
 	/* Dump the user defined preproc directives. */
 	if (userdef_buf.elts)