diff --git a/lib/roken/roken-common.h b/lib/roken/roken-common.h
index c0fb25d22..ca05a87b4 100644
--- a/lib/roken/roken-common.h
+++ b/lib/roken/roken-common.h
@@ -294,8 +294,8 @@ void timevalfix(struct timeval *t1);
 void timevaladd(struct timeval *t1, const struct timeval *t2);
 void timevalsub(struct timeval *t1, const struct timeval *t2);
 
-void pid_file_write (const char *progname);
-void pid_file_delete (void);
+char *pid_file_write (const char *progname);
+void pid_file_delete (char **);
 
 int
 read_environment(const char *file, char ***env);