diff --git a/resources/META-INF/plugin.xml b/resources/META-INF/plugin.xml
index e2fd80bf..97f2093b 100644
--- a/resources/META-INF/plugin.xml
+++ b/resources/META-INF/plugin.xml
@@ -1,9 +1,14 @@
 <idea-plugin url="https://github.com/koxudaxi/pydantic-pycharm-plugin" require-restart="true">
     <id>com.koxudaxi.pydantic</id>
     <name>Pydantic</name>
-    <version>0.3.6</version>
+    <version>0.3.7</version>
     <vendor email="koaxudai@gmail.com">Koudai Aono @koxudaxi</vendor>
     <change-notes><![CDATA[
+    <h2>version 0.3.7</h2>
+    <p>BugFixes</p>
+    <ul>
+        <li>Fix false positive detection of "extra fields not permitted" [#368]</li>
+    </ul>
     <h2>version 0.3.6</h2>
     <p>BugFixes</p>
     <ul>
diff --git a/src/com/koxudaxi/pydantic/PydanticInspection.kt b/src/com/koxudaxi/pydantic/PydanticInspection.kt
index 368f35c5..507d4cd2 100644
--- a/src/com/koxudaxi/pydantic/PydanticInspection.kt
+++ b/src/com/koxudaxi/pydantic/PydanticInspection.kt
@@ -97,8 +97,9 @@ class PydanticInspection : PyInspection() {
             val config = getConfig(pyClass, myTypeEvalContext, true)
             if (config["extra"] != EXTRA.FORBID) return
             pyClass.getAncestorClasses(myTypeEvalContext)
-            val parameters = (pyClass.getAncestorClasses(myTypeEvalContext) + pyClass)
-                .flatMap { getClassVariables(pyClass, myTypeEvalContext)
+            val ancestorPydanticModels =  pyClass.getAncestorClasses(myTypeEvalContext).filter {  isPydanticModel(it, false, myTypeEvalContext) }
+            val parameters = (ancestorPydanticModels + pyClass)
+                .flatMap { pydanticModel -> getClassVariables(pydanticModel, myTypeEvalContext)
                     .filter { it.name != null }
                     .filter { isValidField(it, myTypeEvalContext) }
                     .map { it.name }
diff --git a/testData/inspection/extra.py b/testData/inspection/extra.py
index 1807cc81..4597ea8c 100644
--- a/testData/inspection/extra.py
+++ b/testData/inspection/extra.py
@@ -12,4 +12,18 @@ class B(BaseModel):
     class Config:
         extra = Extra.forbid
 
-B(a='abc', <error descr="'b' extra fields not permitted">b='123'</error>)
\ No newline at end of file
+B(a='abc', <error descr="'b' extra fields not permitted">b='123'</error>)
+
+
+class C(BaseModel):
+    id: int
+
+
+class D(C):
+    data: List[int]
+
+    class Config:
+        extra = Extra.forbid
+
+
+d = D(id=1, data=[1, 2, 3])