diff --git a/lang/cem/cpp.ansi/domacro.c b/lang/cem/cpp.ansi/domacro.c
index 9cd92f8ca..89c054e4c 100644
--- a/lang/cem/cpp.ansi/domacro.c
+++ b/lang/cem/cpp.ansi/domacro.c
@@ -752,7 +752,7 @@ do_line(l)
 	struct token tk;
 	int t = GetToken(&tk);
 
-	SkipToNewLine();
+	if (t != EOF) SkipToNewLine();
 	LineNumber = l;		/* the number of the next input line */
 	if (t == STRING)	/* is there a filespecifier? */
 		FileName = tk.tk_str;