diff --git a/configure.ac b/configure.ac
index 3c7b30cf..266608f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,8 +83,8 @@ AC_ARG_ENABLE(contrib,
 
 # Check for extra plugins to enable
 AC_ARG_ENABLE(all_plugins,
-    AS_HELP_STRING([--enable-all-plugins], [Enable all plugins, default: auto]),,[
-	enable_all_plugins=$enableval], enable_all_plugins=auto)
+    AS_HELP_STRING([--enable-all-plugins], [Enable all plugins, default: auto]),
+	enable_all_plugins=$enableval, enable_all_plugins=auto)
 AC_PLUGIN([alsa-utils],    [no],  [Save and restore ALSA sound settings using alsactl])
 AC_PLUGIN([dbus],          [no],  [Setup and start system message bus, D-Bus])
 AC_PLUGIN([mdevd],         [no],  [Setup and start system hotplug helper mdevd])