diff --git a/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_after.java b/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_after.java
new file mode 100644
index 000000000000..08b2afd09cb9
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_after.java
@@ -0,0 +1,7 @@
+class Foo {
+  public static void main(String[] args) {
+    String s = "";
+    s.replaceAll("\\<caret>");
+    System.out.println();
+  }
+}
diff --git a/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_before.java b/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_before.java
new file mode 100644
index 000000000000..bee6f10053c2
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/typing/invalidInitialSyntax_before.java
@@ -0,0 +1,7 @@
+class Foo {
+  public static void main(String[] args) {
+    String s = "";
+    s.replaceAll("<caret>");
+    System.out.println();
+  }
+}
diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/JavaTypingTest.java b/java/java-tests/testSrc/com/intellij/codeInsight/JavaTypingTest.java
index f59162a6d5b2..9ca3b6084a43 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/JavaTypingTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/JavaTypingTest.java
@@ -16,6 +16,7 @@
 package com.intellij.codeInsight;
 
 import com.intellij.openapi.editor.ex.EditorEx;
+import com.intellij.psi.PsiDocumentManager;
 import com.intellij.testFramework.PlatformTestUtil;
 import com.intellij.testFramework.fixtures.LightPlatformCodeInsightFixtureTestCase;
 
@@ -65,6 +66,14 @@ public class JavaTypingTest extends LightPlatformCodeInsightFixtureTestCase {
     myFixture.checkResultByFile(getTestName(true) + "_after.java");
   }
 
+  public void testInvalidInitialSyntax() {
+    myFixture.configureByFile(getTestName(true) + "_before.java");
+    myFixture.type('\\');
+    PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); // emulates background commit after typing first character
+    myFixture.type('\\');
+    myFixture.checkResultByFile(getTestName(true) + "_after.java");
+  }
+
   private void doTest(char c) {
     myFixture.configureByFile(getTestName(true) + "_before.java");
     myFixture.type(c);
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/TypedHandler.java b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/TypedHandler.java
index bb21eac69ecd..ba4768f73099 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/TypedHandler.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/TypedHandler.java
@@ -148,14 +148,17 @@ public class TypedHandler extends TypedActionHandlerBase {
        return;
     }
 
+    final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
+    final Document originalDocument = originalEditor.getDocument();
     originalEditor.getCaretModel().runForEachCaret(new CaretAction() {
       @Override
       public void perform(Caret caret) {
-        PsiDocumentManager.getInstance(project)
-          .doPostponedOperationsAndUnblockDocument(originalEditor.getDocument()); // to clean up after previous caret processing
+        if (psiDocumentManager.isDocumentBlockedByPsi(originalDocument)) {
+          psiDocumentManager.doPostponedOperationsAndUnblockDocument(originalDocument); // to clean up after previous caret processing
+        }
 
         Editor editor = injectedEditorIfCharTypedIsSignificant(charTyped, originalEditor, originalFile);
-        PsiFile file = editor == originalEditor ? originalFile : PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
+        PsiFile file = editor == originalEditor ? originalFile : psiDocumentManager.getPsiFile(editor.getDocument());
 
 
         final TypedHandlerDelegate[] delegates = Extensions.getExtensions(TypedHandlerDelegate.EP_NAME);