diff --git a/python/psi-api/src/com/jetbrains/python/PyNames.java b/python/psi-api/src/com/jetbrains/python/PyNames.java
index 109f70c09c89..8e2430eef8ed 100644
--- a/python/psi-api/src/com/jetbrains/python/PyNames.java
+++ b/python/psi-api/src/com/jetbrains/python/PyNames.java
@@ -137,8 +137,8 @@ public class PyNames {
 
   public static final String FORMAT = "format";
 
-  public static final String ABSTRACTMETHOD = "abc.abstractmethod";
-  public static final String ABSTRACTPROPERTY = "abc.abstractproperty";
+  public static final String ABSTRACTMETHOD = "abstractmethod";
+  public static final String ABSTRACTPROPERTY = "abstractproperty";
 
   public static final String TUPLE = "tuple";
   public static final String SET = "set";
diff --git a/python/src/com/jetbrains/python/psi/PyUtil.java b/python/src/com/jetbrains/python/psi/PyUtil.java
index c04827c7f1d6..bcaf70daa266 100644
--- a/python/src/com/jetbrains/python/psi/PyUtil.java
+++ b/python/src/com/jetbrains/python/psi/PyUtil.java
@@ -701,7 +701,7 @@ public class PyUtil {
       final QualifiedName qualifiedName = decorator.getQualifiedName();
       if (qualifiedName != null) {
         final String name = qualifiedName.toString();
-        if (PyNames.ABSTRACTMETHOD.equals(name) || PyNames.ABSTRACTPROPERTY.equals(name)) {
+        if (name.endsWith(PyNames.ABSTRACTMETHOD) || name.endsWith(PyNames.ABSTRACTPROPERTY)) {
           return true;
         }
       }