1 files changed, 1 insertions, 1 deletions
diff --git a/tcc.h b/tcc.h
index 1f0343e..2c2936c 100644
--- a/tcc.h
+++ b/tcc.h
@@ -1105,7 +1105,7 @@ ST_FUNC void next_nomacro(void);
 ST_FUNC void next(void);
 ST_INLN void unget_tok(int last_tok);
 ST_FUNC void preprocess_init(TCCState *s1);
-ST_FUNC void preprocess_new();
+ST_FUNC void preprocess_new(void);
 ST_FUNC int tcc_preprocess(TCCState *s1);
 ST_FUNC void skip(int c);
 ST_FUNC void expect(const char *msg);