diff --git a/python-frontend/src/main/java/org/sonar/python/semantic/ProjectLevelSymbolTable.java b/python-frontend/src/main/java/org/sonar/python/semantic/ProjectLevelSymbolTable.java
index 4d7c5ce617..22225626e0 100644
--- a/python-frontend/src/main/java/org/sonar/python/semantic/ProjectLevelSymbolTable.java
+++ b/python-frontend/src/main/java/org/sonar/python/semantic/ProjectLevelSymbolTable.java
@@ -16,12 +16,10 @@
  */
 package org.sonar.python.semantic;
 
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
@@ -210,12 +208,9 @@ public Collection<Symbol> stubFilesSymbols() {
     if (cachedSymbols != null) {
       return cachedSymbols;
     }
-    List<Descriptor> stubDescriptors = new ArrayList<>(typeShedDescriptorsProvider.stubFilesDescriptors());
-
     Map<String, Symbol> symbolsByFqn = new HashMap<>();
     cachedSymbols = new HashSet<>();
-
-    for (Descriptor descriptor : stubDescriptors) {
+    for (Descriptor descriptor : typeShedDescriptorsProvider.stubFilesDescriptors()) {
       if (descriptor.fullyQualifiedName() != null) {
         Symbol symbol = symbolsByFqn.computeIfAbsent(descriptor.fullyQualifiedName(), k ->
           DescriptorUtils.symbolFromDescriptor(descriptor, this, null, new HashMap<>(), new HashMap<>()));
diff --git a/python-frontend/src/main/java/org/sonar/python/semantic/v2/typeshed/TypeShedDescriptorsProvider.java b/python-frontend/src/main/java/org/sonar/python/semantic/v2/typeshed/TypeShedDescriptorsProvider.java
index f2fc8df2af..7c1623d421 100644
--- a/python-frontend/src/main/java/org/sonar/python/semantic/v2/typeshed/TypeShedDescriptorsProvider.java
+++ b/python-frontend/src/main/java/org/sonar/python/semantic/v2/typeshed/TypeShedDescriptorsProvider.java
@@ -18,12 +18,14 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 import javax.annotation.CheckForNull;
@@ -133,9 +135,9 @@ static ModuleSymbol deserializedModule(String moduleName, InputStream resource)
     }
   }
 
-  public Set<Descriptor> stubFilesDescriptors() {
-    Set<Descriptor> descriptors = new HashSet<>(builtinDescriptors().values());
-    cachedDescriptors.values().forEach(entry -> descriptors.addAll(entry.values()));
+  public List<Descriptor> stubFilesDescriptors() {
+    List<Descriptor> descriptors = new ArrayList<>(new TreeMap<>(builtinDescriptors()).values());
+    new TreeMap<>(cachedDescriptors).values().forEach(entry -> descriptors.addAll(new TreeMap<>(entry).values()));
     return descriptors;
   }
 }