diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java b/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
index b7a3ec1aba1..b33dedadfba 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
@@ -312,7 +312,7 @@ public class FunctionCodegen {
                 jvmSignature = new Method(jvmSignature.getName(), correctedDescr);
             }
 
-            int flags = ACC_PUBLIC; // TODO.
+            int flags = ACC_PUBLIC | ACC_SYNTHETIC; // TODO.
 
             String ownerInternalName = contextClass instanceof NamespaceDescriptor ?
                                        NamespaceCodegen.getJVMClassName(DescriptorUtils.getFQName(contextClass), true) :
diff --git a/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.kt b/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.kt
new file mode 100644
index 00000000000..21545d6cc2d
--- /dev/null
+++ b/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.kt
@@ -0,0 +1,3 @@
+package test
+
+class ClassWithConstructorWithValueParamWithDefaultValue(p: Int = 1)
diff --git a/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.txt b/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.txt
new file mode 100644
index 00000000000..7bda41ff97d
--- /dev/null
+++ b/compiler/testData/readKotlinBinaryClass/constructor/Constructor1WithParamDefaultValue.txt
@@ -0,0 +1,5 @@
+namespace test
+
+final class test.ClassWithConstructorWithValueParamWithDefaultValue : jet.Any {
+    final /*constructor*/ fun <init>(/*0*/ p: jet.Int = ?): test.ClassWithConstructorWithValueParamWithDefaultValue
+}