diff --git a/core/plugins.c b/core/plugins.c
index 7c169034..641ba3f4 100644
--- a/core/plugins.c
+++ b/core/plugins.c
@@ -24,7 +24,7 @@ static void uwsgi_plugin_parse_section(char *filename) {
 }
 #endif
 
-static int plugin_already_loaded(const char *plugin) {
+int plugin_already_loaded(const char *plugin) {
 	int i;
 
 	for (i = 0; i < 256; i++) {
diff --git a/core/utils.c b/core/utils.c
index 61e5976a..644f52b0 100644
--- a/core/utils.c
+++ b/core/utils.c
@@ -1422,6 +1422,27 @@ int uwsgi_logic_opt_if_not_dir(char *key, char *value) {
 	return 0;
 }
 
+int uwsgi_logic_opt_if_plugin(char *key, char *value) {
+
+        if (plugin_already_loaded(uwsgi.logic_opt_data)) {
+                add_exported_option(key, uwsgi_substitute(value, "%(_)", uwsgi.logic_opt_data), 0);
+                return 1;
+        }
+
+        return 0;
+}
+
+int uwsgi_logic_opt_if_not_plugin(char *key, char *value) {
+
+        if (!plugin_already_loaded(uwsgi.logic_opt_data)) {
+                add_exported_option(key, uwsgi_substitute(value, "%(_)", uwsgi.logic_opt_data), 0);
+                return 1;
+        }
+
+        return 0;
+}
+
+
 
 int uwsgi_logic_opt_if_exists(char *key, char *value) {
 
diff --git a/core/uwsgi.c b/core/uwsgi.c
index d69f926d..64efe4fc 100644
--- a/core/uwsgi.c
+++ b/core/uwsgi.c
@@ -95,6 +95,10 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"if-not-exists", required_argument, 0, "(opt logic) check for file/directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_exists, UWSGI_OPT_IMMEDIATE},
 	{"ifexists", required_argument, 0, "(opt logic) check for file/directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_exists, UWSGI_OPT_IMMEDIATE},
 
+	{"if-plugin", required_argument, 0, "(opt logic) check for plugin", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_plugin, UWSGI_OPT_IMMEDIATE},
+	{"if-not-plugin", required_argument, 0, "(opt logic) check for plugin", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_plugin, UWSGI_OPT_IMMEDIATE},
+	{"ifplugin", required_argument, 0, "(opt logic) check for plugin", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_plugin, UWSGI_OPT_IMMEDIATE},
+
 	{"if-file", required_argument, 0, "(opt logic) check for file existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_file, UWSGI_OPT_IMMEDIATE},
 	{"if-not-file", required_argument, 0, "(opt logic) check for file existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_file, UWSGI_OPT_IMMEDIATE},
 	{"if-dir", required_argument, 0, "(opt logic) check for directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_dir, UWSGI_OPT_IMMEDIATE},
diff --git a/uwsgi.h b/uwsgi.h
index 7c92bbac..68e67e66 100644
--- a/uwsgi.h
+++ b/uwsgi.h
@@ -3275,6 +3275,8 @@ int uwsgi_logic_opt_if_dir(char *, char *);
 int uwsgi_logic_opt_if_not_dir(char *, char *);
 int uwsgi_logic_opt_if_reload(char *, char *);
 int uwsgi_logic_opt_if_not_reload(char *, char *);
+int uwsgi_logic_opt_if_plugin(char *, char *);
+int uwsgi_logic_opt_if_not_plugin(char *, char *);
 
 
 #ifdef UWSGI_CAP
@@ -3870,6 +3872,8 @@ void uwsgi_exceptions_handler_thread_start(void);
 
 struct uwsgi_stats_pusher_instance *uwsgi_stats_pusher_add(struct uwsgi_stats_pusher *, char *);
 
+int plugin_already_loaded(const char *);
+
 #ifdef UWSGI_ZLIB
 #include <zlib.h>
 int uwsgi_deflate_init(z_stream *, char *, size_t);