diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SamAdapterOverridabilityCondition.java b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SamAdapterOverridabilityCondition.java
index 4ee46b2ce47..6606487ef60 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SamAdapterOverridabilityCondition.java
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/SamAdapterOverridabilityCondition.java
@@ -30,7 +30,7 @@ import java.util.List;
 public class SamAdapterOverridabilityCondition implements ExternalOverridabilityCondition {
     @Override
     public boolean isOverridable(@NotNull CallableDescriptor superDescriptor, @NotNull CallableDescriptor subDescriptor) {
-        if (subDescriptor instanceof PropertyDescriptor) {
+        if (!(subDescriptor instanceof SimpleFunctionDescriptor)) {
             return true;
         }