diff --git a/src/plugins/javascript/weechat-js.cpp b/src/plugins/javascript/weechat-js.cpp
index eda9b052a..0df3248cd 100644
--- a/src/plugins/javascript/weechat-js.cpp
+++ b/src/plugins/javascript/weechat-js.cpp
@@ -41,7 +41,7 @@ WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
 WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
 WEECHAT_PLUGIN_PRIORITY(4000);
 
-struct t_weechat_plugin *weechat_js_plugin;
+struct t_weechat_plugin *weechat_js_plugin = NULL;
 
 int js_quiet = 0;
 
diff --git a/src/plugins/lua/weechat-lua.c b/src/plugins/lua/weechat-lua.c
index 03563021b..006ad247c 100644
--- a/src/plugins/lua/weechat-lua.c
+++ b/src/plugins/lua/weechat-lua.c
@@ -42,7 +42,7 @@ WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
 WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
 WEECHAT_PLUGIN_PRIORITY(4000);
 
-struct t_weechat_plugin *weechat_lua_plugin;
+struct t_weechat_plugin *weechat_lua_plugin = NULL;
 
 int lua_quiet = 0;
 
diff --git a/src/plugins/php/weechat-php.c b/src/plugins/php/weechat-php.c
index 15ce76401..1db9f8a0d 100644
--- a/src/plugins/php/weechat-php.c
+++ b/src/plugins/php/weechat-php.c
@@ -37,7 +37,7 @@ WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
 WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
 WEECHAT_PLUGIN_PRIORITY(4000);
 
-struct t_weechat_plugin *weechat_php_plugin;
+struct t_weechat_plugin *weechat_php_plugin = NULL;
 
 int php_quiet = 0;