1 files changed, 1 insertions, 1 deletions
diff --git a/dbutil.h b/dbutil.h
index d83b20a..fe82272 100644
--- a/dbutil.h
+++ b/dbutil.h
@@ -56,7 +56,7 @@ extern int debug_trace;
 
 char * stripcontrol(const char * text);
 
-int spawn_command(void(*exec_fn)(void *user_data), void *exec_data,
+int spawn_command(void(*exec_fn)(const void *user_data), const void *exec_data,
 		int *writefd, int *readfd, int *errfd, pid_t *pid);
 void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell);
 #ifdef ENABLE_CONNECT_UNIX