diff --git a/python/src/com/jetbrains/python/documentation/doctest/PyDocstringVisitorFilter.java b/python/src/com/jetbrains/python/documentation/doctest/PyDocstringVisitorFilter.java
index 29226b0d2759..9f40a5d89797 100644
--- a/python/src/com/jetbrains/python/documentation/doctest/PyDocstringVisitorFilter.java
+++ b/python/src/com/jetbrains/python/documentation/doctest/PyDocstringVisitorFilter.java
@@ -44,7 +44,7 @@ public class PyDocstringVisitorFilter implements PythonVisitorFilter {
         visitorClass == PyPackageRequirementsInspection.class || visitorClass == PyMandatoryEncodingInspection.class ||
         visitorClass == PyInterpreterInspection.class || visitorClass == PyDocstringTypesInspection.class ||
         visitorClass == PySingleQuotedDocstringInspection.class || visitorClass == PyClassHasNoInitInspection.class || 
-        visitorClass == PyStatementEffectInspection.class) {
+        visitorClass == PyStatementEffectInspection.class || visitorClass == PyPep8Inspection.class) {
       return false;
     }
     //annotators