diff --git a/jslib/src/core/math.kt b/jslib/src/core/math.kt
index 394758fe9b0..c4501248fdc 100644
--- a/jslib/src/core/math.kt
+++ b/jslib/src/core/math.kt
@@ -4,7 +4,6 @@ import js.annotations.native
 
 native
 val Math = object {
-    native
     fun random() : Double = 0.0;
     fun abs(value : Double) = 0.0
     fun acos(value : Double) = 0.0
@@ -18,6 +17,7 @@ val Math = object {
     fun min(vararg values : Double) = 0.0
     fun sqrt(value : Double) = 0.0
     fun tan(value : Double) = 0.0
+
     fun log(value : Double) = 0.0
     fun pow(base : Double, exp : Double) = 0.0
     fun round(value : Double) = 0.0
diff --git a/translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java b/translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java
index 96b3efa7324..9a745909328 100644
--- a/translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java
+++ b/translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java
@@ -395,4 +395,11 @@ public final class ExpressionVisitor extends TranslatorVisitor<JsNode> {
         JsExpression value = ClassTranslator.generateClassCreationExpression(expression, context);
         return AstUtil.newVar(propertyName, value);
     }
+
+    @Override
+    @NotNull
+    public JsNode visitNamedFunction(@NotNull JetNamedFunction function,
+                                     @NotNull TranslationContext context) {
+        return FunctionTranslator.newInstance(function, context).translateAsLocalFunction();
+    }
 }
diff --git a/translator/src/org/jetbrains/k2js/translate/expression/FunctionTranslator.java b/translator/src/org/jetbrains/k2js/translate/expression/FunctionTranslator.java
index 4d3a5ea99bc..aee3953fdcb 100644
--- a/translator/src/org/jetbrains/k2js/translate/expression/FunctionTranslator.java
+++ b/translator/src/org/jetbrains/k2js/translate/expression/FunctionTranslator.java
@@ -56,9 +56,17 @@ public final class FunctionTranslator extends AbstractTranslator {
         this.functionBodyContext = functionBodyContext().innerBlock(functionBody);
     }
 
+
+    @NotNull
+    public JsFunction translateAsLocalFunction() {
+        JsName functionName = context().getNameForElement(functionDeclaration);
+        JsFunction function = generateFunctionObject();
+        function.setName(functionName);
+        return function;
+    }
+
     @NotNull
     public JsPropertyInitializer translateAsMethod() {
-        assert functionDeclaration instanceof JetElement;
         JsName functionName = context().getNameForElement(functionDeclaration);
         JsFunction function = generateFunctionObject();
         return new JsPropertyInitializer(functionName.makeRef(), function);
diff --git a/translator/test/org/jetbrains/k2js/test/FunctionTest.java b/translator/test/org/jetbrains/k2js/test/FunctionTest.java
index 4981b251c5a..3de162115a8 100644
--- a/translator/test/org/jetbrains/k2js/test/FunctionTest.java
+++ b/translator/test/org/jetbrains/k2js/test/FunctionTest.java
@@ -86,4 +86,8 @@ public class FunctionTest extends AbstractExpressionTest {
             System.out.println(e);
         }
     }
+
+    public void testFunctionInsideFunction() throws Exception {
+        testFooBoxIsTrue("functionInsideFunction.kt");
+    }
 }
diff --git a/translator/testFiles/expression/function/cases/functionInsideFunction.kt b/translator/testFiles/expression/function/cases/functionInsideFunction.kt
new file mode 100644
index 00000000000..fcb2a69895f
--- /dev/null
+++ b/translator/testFiles/expression/function/cases/functionInsideFunction.kt
@@ -0,0 +1,19 @@
+package foo
+
+
+fun box() : Boolean{
+    fun f() = 3
+
+    return (((f() + f()) == 6) && (b() == 24))
+}
+
+
+fun b() : Int {
+
+    fun a() : Int {
+        fun c() = 4
+        return c() * 3
+    }
+    val a = 2
+    return a() * a
+}
\ No newline at end of file