diff --git a/java/java-impl/src/com/intellij/codeInspection/varScopeCanBeNarrowed/ParameterCanBeLocalInspection.java b/java/java-impl/src/com/intellij/codeInspection/varScopeCanBeNarrowed/ParameterCanBeLocalInspection.java
index e933ff89de25..0da655beb99a 100644
--- a/java/java-impl/src/com/intellij/codeInspection/varScopeCanBeNarrowed/ParameterCanBeLocalInspection.java
+++ b/java/java-impl/src/com/intellij/codeInspection/varScopeCanBeNarrowed/ParameterCanBeLocalInspection.java
@@ -104,6 +104,7 @@ public class ParameterCanBeLocalInspection extends BaseJavaLocalInspectionTool {
     if (controlFlow == null) return Collections.emptyList();
 
     final Set<PsiParameter> result = filterParameters(controlFlow, parameters);
+    result.retainAll(ControlFlowUtil.getWrittenVariables(controlFlow, 0, controlFlow.getSize(), false));
     for (final PsiReferenceExpression readBeforeWrite : ControlFlowUtil.getReadBeforeWrite(controlFlow)) {
       final PsiElement resolved = readBeforeWrite.resolve();
       if (resolved instanceof PsiParameter) {
diff --git a/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/expected.xml b/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/expected.xml
new file mode 100644
index 000000000000..4704d91e891d
--- /dev/null
+++ b/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/expected.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems/>
\ No newline at end of file
diff --git a/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/src/Test.java b/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/src/Test.java
new file mode 100644
index 000000000000..9296e7efe432
--- /dev/null
+++ b/java/java-tests/testData/inspection/parameterCanBeLocal/readOnly/src/Test.java
@@ -0,0 +1,8 @@
+class Test {
+    public static final boolean myFoo = false;
+
+    public static void foo(int p) {
+        if (!myFoo) return;
+        System.out.println("p = " + p);
+    }
+}
diff --git a/java/java-tests/testSrc/com/intellij/codeInspection/ParameterCanBeLocalTest.java b/java/java-tests/testSrc/com/intellij/codeInspection/ParameterCanBeLocalTest.java
index 10cc1f0f570f..d11557ac812e 100644
--- a/java/java-tests/testSrc/com/intellij/codeInspection/ParameterCanBeLocalTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInspection/ParameterCanBeLocalTest.java
@@ -16,7 +16,6 @@
 package com.intellij.codeInspection;
 
 import com.intellij.JavaTestUtil;
-import com.intellij.codeInspection.varScopeCanBeNarrowed.FieldCanBeLocalInspection;
 import com.intellij.codeInspection.varScopeCanBeNarrowed.ParameterCanBeLocalInspection;
 import com.intellij.testFramework.InspectionTestCase;
 
@@ -33,4 +32,5 @@ public class ParameterCanBeLocalTest extends InspectionTestCase {
   public void testSimple () throws Exception { doTest(); }
   public void testIf () throws Exception { doTest(); }
   public void testFor () throws Exception { doTest(); }
+  public void testReadOnly () throws Exception { doTest(); }
 }