diff --git a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/InplaceVariableIntroducer.java b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/InplaceVariableIntroducer.java
index ad90339189d4..b9c702925fb7 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/InplaceVariableIntroducer.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/InplaceVariableIntroducer.java
@@ -21,8 +21,8 @@ import com.intellij.codeInsight.template.ExpressionContext;
 import com.intellij.codeInsight.template.TextResult;
 import com.intellij.codeInsight.template.impl.TemplateManagerImpl;
 import com.intellij.codeInsight.template.impl.TemplateState;
-import com.intellij.lang.ASTNode;
-import com.intellij.lang.LanguageTokenSeparatorGenerators;
+import com.intellij.lang.*;
+import com.intellij.lexer.Lexer;
 import com.intellij.openapi.application.Result;
 import com.intellij.openapi.command.WriteCommandAction;
 import com.intellij.openapi.command.impl.StartMarkAction;
@@ -76,9 +76,12 @@ public abstract class InplaceVariableIntroducer<E extends PsiElement> extends In
     myOccurrences = occurrences;
     if (expr != null) {
       final ASTNode node = expr.getNode();
+      ASTNode prev = node.getTreePrev();
       final ASTNode astNode = LanguageTokenSeparatorGenerators.INSTANCE.forLanguage(expr.getLanguage())
-        .generateWhitespaceBetweenTokens(node.getTreePrev(), node);
-      if (astNode != null) {
+        .generateWhitespaceBetweenTokens(prev, node);
+      final Lexer lexer = LanguageParserDefinitions.INSTANCE.forLanguage(expr.getLanguage()).createLexer(project);
+      if (astNode != null &&
+          LanguageUtil.canStickTokensTogetherByLexer(prev, prev, lexer) == ParserDefinition.SpaceRequirements.MUST) {
         PostprocessReformattingAspect.getInstance(project).disablePostprocessFormattingInside(new Runnable() {
           @Override
           public void run() {