diff --git a/src/main/java/com/sinthoras/hydroenergy/HETags.java b/src/main/java/com/sinthoras/hydroenergy/HETags.java
index 7890a13..0b4bb5e 100644
--- a/src/main/java/com/sinthoras/hydroenergy/HETags.java
+++ b/src/main/java/com/sinthoras/hydroenergy/HETags.java
@@ -8,7 +8,7 @@ public class HETags {
     public static final String MODID = "GRADLETOKEN_MODID";
     public static final String MODNAME = "GRADLETOKEN_MODNAME";
     public static final String VERSION = "GRADLETOKEN_VERSION";
-    public static final String GROUPNAME = "GRADLETOKEN_GROUPNAME";
+    public static final String GROUPNAME = "com.sinthoras.hydroenergy";
     public static final String DEPENDENCIES = "required-after: gregtech;" + "required-after: tectech@[5.0,)";
 
     public static final String waterLevel = "walv";
diff --git a/src/main/java/com/sinthoras/hydroenergy/config/HEConfig.java b/src/main/java/com/sinthoras/hydroenergy/config/HEConfig.java
index fd940af..9e7f849 100644
--- a/src/main/java/com/sinthoras/hydroenergy/config/HEConfig.java
+++ b/src/main/java/com/sinthoras/hydroenergy/config/HEConfig.java
@@ -8,6 +8,7 @@
 
 import com.sinthoras.hydroenergy.HEUtil;
 
+import cpw.mods.fml.common.Loader;
 import gregtech.api.enums.GT_Values;
 
 public class HEConfig {
@@ -120,6 +121,8 @@ public static void syncronizeConfiguration(java.io.File configurationFile) {
                         + "mod. But be warned: you will have limited render capabilities!");
         useLimitedRendering = useLimitedRenderingProperty.getBoolean();
 
+        if (Loader.isModLoaded("angelica")) useLimitedRendering = true;
+
         Property forceOpenGLProperty = configuration.get(
                 Categories.general,
                 "forceOpenGL",
diff --git a/src/main/java/com/sinthoras/hydroenergy/hooks/HEHooksFML.java b/src/main/java/com/sinthoras/hydroenergy/hooks/HEHooksFML.java
index 9c70781..363b7fa 100644
--- a/src/main/java/com/sinthoras/hydroenergy/hooks/HEHooksFML.java
+++ b/src/main/java/com/sinthoras/hydroenergy/hooks/HEHooksFML.java
@@ -18,6 +18,7 @@ public class HEHooksFML {
 
     private float waterLevel = 85.0f;
     private int sign = 1;
+    private boolean isLoggedIn = false;
 
     @SubscribeEvent
     public void onEvent(ServerTickEvent event) {
@@ -41,16 +42,23 @@ public void onEvent(PlayerLoggedInEvent event) {
         HEServer.instance.synchronizeClient(event);
     }
 
+    @SideOnly(Side.CLIENT)
+    @SubscribeEvent
+    public void onEvent(FMLNetworkEvent.ClientConnectedToServerEvent event) {
+        isLoggedIn = true;
+    }
+
     @SideOnly(Side.CLIENT)
     @SubscribeEvent
     public void onEvent(FMLNetworkEvent.ClientDisconnectionFromServerEvent event) {
         HEClient.onDisconnect();
+        isLoggedIn = false;
     }
 
     @SideOnly(Side.CLIENT)
     @SubscribeEvent
     public void onEvent(TickEvent.ClientTickEvent event) {
-        if (event.phase == TickEvent.Phase.END) {
+        if (event.phase == TickEvent.Phase.END && isLoggedIn) {
             HELightManager.onTick();
         }
     }