diff --git a/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinNamesAnnotationIntrospector.kt b/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinNamesAnnotationIntrospector.kt
index 2b6155a6..22ca799f 100644
--- a/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinNamesAnnotationIntrospector.kt
+++ b/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinNamesAnnotationIntrospector.kt
@@ -4,7 +4,13 @@ import com.fasterxml.jackson.annotation.JsonCreator
 import com.fasterxml.jackson.annotation.JsonProperty
 import com.fasterxml.jackson.databind.PropertyName
 import com.fasterxml.jackson.databind.cfg.MapperConfig
-import com.fasterxml.jackson.databind.introspect.*
+import com.fasterxml.jackson.databind.introspect.Annotated
+import com.fasterxml.jackson.databind.introspect.AnnotatedConstructor
+import com.fasterxml.jackson.databind.introspect.AnnotatedField
+import com.fasterxml.jackson.databind.introspect.AnnotatedMember
+import com.fasterxml.jackson.databind.introspect.AnnotatedMethod
+import com.fasterxml.jackson.databind.introspect.AnnotatedParameter
+import com.fasterxml.jackson.databind.introspect.NopAnnotationIntrospector
 import com.fasterxml.jackson.databind.util.BeanUtil
 import java.lang.reflect.Constructor
 import java.lang.reflect.Method
@@ -32,6 +38,10 @@ internal class KotlinNamesAnnotationIntrospector(val module: KotlinModule, val c
                     member.parameterCount == 0) {
                 return member.name.substringAfter("is").decapitalize().substringBefore('-')
             }
+        } else if (member is AnnotatedMethod && member.declaringClass.isKotlinClass()) {
+            if (cache.isKotlinGeneratedMethod(member) { it.declaringClass.declaredFields.any { f -> f.name == member.name } }) {
+                return member.name
+            }
         } else if (member is AnnotatedParameter) {
             return findKotlinParameterName(member)
         }
diff --git a/src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/failing/GitHub337.kt b/src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/failing/GitHub337.kt
index 9461bb53..d1d5840e 100644
--- a/src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/failing/GitHub337.kt
+++ b/src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/failing/GitHub337.kt
@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonInclude
 import com.fasterxml.jackson.annotation.JsonProperty
 import com.fasterxml.jackson.databind.MapperFeature.SORT_PROPERTIES_ALPHABETICALLY
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import org.junit.Ignore
 import org.junit.Test
 import kotlin.test.assertEquals
 
@@ -18,7 +17,6 @@ class TestGitHub337 {
     private val writer = mapper.writerWithDefaultPrettyPrinter()
 
     @Test
-    @Ignore
     fun test_ClassWithIsFields() {
         data class ClassWithIsFields(
                 val isBooleanField: Boolean,
@@ -35,7 +33,6 @@ class TestGitHub337 {
     }
 
     @Test
-    @Ignore
     fun test_AnnotatedClassWithIsFields() {
         data class ClassWithIsFields(
                 @JsonProperty("isBooleanField") val isBooleanField: Boolean,