1 files changed, 2 insertions, 2 deletions
diff --git a/diff.h b/diff.h
index ae40bac7a..d6094a1ee 100644
--- a/diff.h
+++ b/diff.h
@@ -405,8 +405,8 @@ extern int parse_rename_score(const char **cp_p);
 
 extern long parse_algorithm_value(const char *value);
 
-extern int print_stat_summary(FILE *fp, int files,
-			      int insertions, int deletions);
+extern void print_stat_summary(FILE *fp, int files,
+			       int insertions, int deletions);
 extern void setup_diff_pager(struct diff_options *);
 
 #endif /* DIFF_H */