diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAbstractConnexionServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAbstractConnexionServerCodegen.java
index 1c473232925e..dace0046ae83 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAbstractConnexionServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAbstractConnexionServerCodegen.java
@@ -199,13 +199,13 @@ public void processOpts() {
             additionalProperties.put(SUPPORT_PYTHON2, Boolean.TRUE);
             typeMapping.put("long", "long");
         }
-        supportingFiles.add(new SupportingFile("__main__.mustache", packageName, "__main__.py"));
-        supportingFiles.add(new SupportingFile("util.mustache", packageName, "util.py"));
-        supportingFiles.add(new SupportingFile("__init__.mustache", packageName + File.separatorChar + controllerPackage, "__init__.py"));
-        supportingFiles.add(new SupportingFile("security_controller_.mustache", packageName + File.separatorChar + controllerPackage, "security_controller_.py"));
-        supportingFiles.add(new SupportingFile("__init__model.mustache", packageName + File.separatorChar + modelPackage, "__init__.py"));
-        supportingFiles.add(new SupportingFile("base_model_.mustache", packageName + File.separatorChar + modelPackage, "base_model_.py"));
-        supportingFiles.add(new SupportingFile("openapi.mustache", packageName + File.separatorChar + "openapi", "openapi.yaml"));
+        supportingFiles.add(new SupportingFile("__main__.mustache", packagePath(), "__main__.py"));
+        supportingFiles.add(new SupportingFile("util.mustache", packagePath(), "util.py"));
+        supportingFiles.add(new SupportingFile("__init__.mustache", packagePath() + File.separatorChar + controllerPackage, "__init__.py"));
+        supportingFiles.add(new SupportingFile("security_controller_.mustache", packagePath() + File.separatorChar + controllerPackage, "security_controller_.py"));
+        supportingFiles.add(new SupportingFile("__init__model.mustache", packagePath() + File.separatorChar + modelPackage, "__init__.py"));
+        supportingFiles.add(new SupportingFile("base_model_.mustache", packagePath() + File.separatorChar + modelPackage, "base_model_.py"));
+        supportingFiles.add(new SupportingFile("openapi.mustache", packagePath() + File.separatorChar + "openapi", "openapi.yaml"));
         addSupportingFiles();
 
         modelPackage = packageName + "." + modelPackage;
@@ -714,6 +714,9 @@ public void setPackageVersion(String packageVersion) {
         this.packageVersion = packageVersion;
     }
 
+    public String packagePath() {
+        return packageName.replace('.', File.separatorChar);
+    }
 
     @Override
     public String escapeQuotationMark(String input) {
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAiohttpConnexionServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAiohttpConnexionServerCodegen.java
index 8efc2060ce46..0f725396b660 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAiohttpConnexionServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonAiohttpConnexionServerCodegen.java
@@ -43,6 +43,6 @@ public String getName() {
     protected void addSupportingFiles() {
         supportingFiles.add(new SupportingFile("conftest.mustache", testPackage, "conftest.py"));
         supportingFiles.add(new SupportingFile("__init__test.mustache", testPackage, "__init__.py"));
-        supportingFiles.add(new SupportingFile("__init__main.mustache", packageName, "__init__.py"));
+        supportingFiles.add(new SupportingFile("__init__main.mustache", packagePath(), "__init__.py"));
     }
 }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFlaskConnexionServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFlaskConnexionServerCodegen.java
index 08cd13fabfbc..5cb5dbb3f9be 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFlaskConnexionServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFlaskConnexionServerCodegen.java
@@ -49,9 +49,9 @@ protected void addSupportingFiles() {
         supportingFiles.add(new SupportingFile("tox.mustache", "", "tox.ini"));
         supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
         supportingFiles.add(new SupportingFile("travis.mustache", "", ".travis.yml"));
-        supportingFiles.add(new SupportingFile("encoder.mustache", packageName, "encoder.py"));
-        supportingFiles.add(new SupportingFile("__init__test.mustache", packageName + File.separatorChar + testPackage, "__init__.py"));
-        supportingFiles.add(new SupportingFile("__init__.mustache", packageName, "__init__.py"));
+        supportingFiles.add(new SupportingFile("encoder.mustache", packagePath(), "encoder.py"));
+        supportingFiles.add(new SupportingFile("__init__test.mustache", packagePath() + File.separatorChar + testPackage, "__init__.py"));
+        supportingFiles.add(new SupportingFile("__init__.mustache", packagePath(), "__init__.py"));
         testPackage = packageName + "." + testPackage;
     }
 }