--- a/include/modules.h
+++ b/include/modules.h
@@ -28,7 +28,7 @@ struct mod_passwd {
 	link_t link;
 };
 
-list_t passwd_mods;
-list_t group_mods;
+extern list_t passwd_mods;
+extern list_t group_mods;
 
 #endif
--- a/src/main.c
+++ b/src/main.c
@@ -18,6 +18,9 @@
 #include "parse.h"
 #include "util.h"
 
+list_t passwd_mods;
+list_t group_mods;
+
 static void *get_dll(const char *service)
 {
 	char *path;
--- a/src/socket_handle.c
+++ b/src/socket_handle.c
@@ -19,6 +19,9 @@
 #include "modules.h"
 #include "list.h"
 
+extern list_t passwd_mods;
+extern list_t group_mods;
+
 static int return_result(int fd, int swap, uint32_t reqtype, void *key);
 
 struct pthread_args {