diff --git a/plugins/AmplitudeImposer/DistrhoPluginInfo.h b/plugins/AmplitudeImposer/DistrhoPluginInfo.h
index b50c44c..fcc0ce5 100644
--- a/plugins/AmplitudeImposer/DistrhoPluginInfo.h
+++ b/plugins/AmplitudeImposer/DistrhoPluginInfo.h
@@ -34,4 +34,6 @@
 #define DISTRHO_PLUGIN_NUM_OUTPUTS   2
 #define DISTRHO_PLUGIN_WANT_PROGRAMS 1
 
+#define DISTRHO_PLUGIN_LV2_CATEGORY "lv2:AmplifierPlugin"
+
 #endif // DISTRHO_PLUGIN_INFO_H_INCLUDED
diff --git a/plugins/Makefile.ndc-Plugs.mk b/plugins/Makefile.ndc-Plugs.mk
index 3dfb081..c97f8af 100644
--- a/plugins/Makefile.ndc-Plugs.mk
+++ b/plugins/Makefile.ndc-Plugs.mk
@@ -8,6 +8,10 @@
 
 include ../../Makefile.mk
 
+ifeq ($(OBJS_UI),)
+HAVE_DGL = false
+endif
+
 # --------------------------------------------------------------
 # Basic setup
 
diff --git a/plugins/SoulForce/DistrhoPluginInfo.h b/plugins/SoulForce/DistrhoPluginInfo.h
index f8b569b..c8544a3 100644
--- a/plugins/SoulForce/DistrhoPluginInfo.h
+++ b/plugins/SoulForce/DistrhoPluginInfo.h
@@ -34,4 +34,6 @@
 #define DISTRHO_PLUGIN_NUM_OUTPUTS   2
 #define DISTRHO_PLUGIN_WANT_PROGRAMS 1
 
+#define DISTRHO_PLUGIN_LV2_CATEGORY "lv2:WaveshaperPlugin"
+
 #endif // DISTRHO_PLUGIN_INFO_H_INCLUDED