diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/ClassMapCachingNulls.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/ClassMapCachingNulls.java
index e852278b8e0d..58885b674497 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/ClassMapCachingNulls.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/ClassMapCachingNulls.java
@@ -16,22 +16,27 @@
 package com.intellij.psi.impl.source.tree.injected;
 
 import com.intellij.util.containers.ContainerUtil;
+import com.intellij.util.containers.HashSet;
+import com.intellij.util.containers.JBIterable;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 public class ClassMapCachingNulls<T> {
   private final Map<Class, T[]> myBackingMap;
   private final T[] myEmptyArray;
+  private final List<T> myOrderingArray;
   private final Map<Class, T[]> myMap = ContainerUtil.newConcurrentMap();
 
-  public ClassMapCachingNulls(@NotNull Map<Class, T[]> backingMap, T[] emptyArray) {
+  public ClassMapCachingNulls(@NotNull Map<Class, T[]> backingMap, T[] emptyArray, @NotNull List<T> orderingArray) {
     myBackingMap = backingMap;
     myEmptyArray = emptyArray;
+    myOrderingArray = orderingArray;
   }
 
   @Nullable
@@ -64,29 +69,29 @@ public class ClassMapCachingNulls<T> {
     return value;
   }
 
+  @Nullable
   private List<T> getFromBackingMap(Class aClass) {
     T[] value = myBackingMap.get(aClass);
-    List<T> result = null;
+    Set<T> result = null;
     if (value != null) {
       assert value.length != 0;
-      result = new ArrayList<>(Arrays.asList(value));
+      result = new HashSet<>(Arrays.asList(value));
     }
-    for (final Class aClass1 : aClass.getInterfaces()) {
-      result = addFromUpper(result, aClass1);
-    }
-    final Class superclass = aClass.getSuperclass();
-    if (superclass != null) {
+    for (final Class superclass : JBIterable.of(aClass.getSuperclass()).append(aClass.getInterfaces())) {
       result = addFromUpper(result, superclass);
     }
-    return result;
+    
+    if (result == null) return null;
+    final Set<T> _result = result;
+    return myOrderingArray.stream().filter(_result::contains).collect(Collectors.toList());
   }
 
-  private List<T> addFromUpper(List<T> value, Class superclass) {
+  private Set<T> addFromUpper(Set<T> value, Class superclass) {
     T[] fromUpper = get(superclass);
     if (fromUpper != null) {
       assert fromUpper.length != 0;
       if (value == null) {
-        value = new ArrayList<>(fromUpper.length);
+        value = new HashSet<>(fromUpper.length);
       }
       for (T t : fromUpper) {
         if (!value.contains(t)) {
diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
index 482ea972df93..ccefc4b8ac96 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
@@ -241,7 +241,7 @@ public class InjectedLanguageManagerImpl extends InjectedLanguageManager impleme
       }
     }
 
-    ClassMapCachingNulls<MultiHostInjector> result = new ClassMapCachingNulls<>(injectors, new MultiHostInjector[0]);
+    ClassMapCachingNulls<MultiHostInjector> result = new ClassMapCachingNulls<>(injectors, new MultiHostInjector[0], allInjectors);
     cachedInjectors = result;
     return result;
   }
diff --git a/plugins/IntelliLang/src/META-INF/plugin.xml b/plugins/IntelliLang/src/META-INF/plugin.xml
index 51515dbf5a86..a9789064a1f2 100644
--- a/plugins/IntelliLang/src/META-INF/plugin.xml
+++ b/plugins/IntelliLang/src/META-INF/plugin.xml
@@ -45,8 +45,8 @@
 
     <projectConfigurable groupId="editor" displayName="Language Injections" dynamic="true" id="IntelliLang.Configuration" instance="org.intellij.plugins.intelliLang.InjectionsSettingsUI" nonDefaultProject="true"/>
 
-    <multiHostInjector implementation="org.intellij.plugins.intelliLang.inject.CommentLanguageInjector"/>
-    <multiHostInjector implementation="org.intellij.plugins.intelliLang.inject.TemporaryPlacesInjector"/>
+    <multiHostInjector id="TemporaryPlacesInjector" implementation="org.intellij.plugins.intelliLang.inject.TemporaryPlacesInjector" order="first"/>
+    <multiHostInjector implementation="org.intellij.plugins.intelliLang.inject.CommentLanguageInjector" order="after TemporaryPlacesInjector"/>
     <multiHostInjector implementation="org.intellij.plugins.intelliLang.inject.DefaultLanguageInjector" order="last"/>
 
     <projectService serviceInterface="org.intellij.plugins.intelliLang.inject.TemporaryPlacesRegistry"
diff --git a/resources/src/META-INF/IdeaPlugin.xml b/resources/src/META-INF/IdeaPlugin.xml
index 7aebb70da18d..98fbe10902fb 100644
--- a/resources/src/META-INF/IdeaPlugin.xml
+++ b/resources/src/META-INF/IdeaPlugin.xml
@@ -521,7 +521,7 @@
     <projectService serviceInterface="com.intellij.psi.impl.source.tree.injected.JavaConcatenationInjectorManager"
                     serviceImplementation="com.intellij.psi.impl.source.tree.injected.JavaConcatenationInjectorManager"/>
 
-    <multiHostInjector implementation="com.intellij.psi.impl.source.tree.injected.JavaConcatenationInjectorManager$Concatenation2InjectorAdapter" order="last"/>
+    <multiHostInjector implementation="com.intellij.psi.impl.source.tree.injected.JavaConcatenationInjectorManager$Concatenation2InjectorAdapter" order="first"/>
 
     <projectService serviceInterface="com.intellij.psi.SmartTypePointerManager"
                     serviceImplementation="com.intellij.psi.impl.smartPointers.SmartTypePointerManagerImpl"/>