diff --git a/python/dict.py b/python/_dict.py
similarity index 100%
rename from python/dict.py
rename to python/_dict.py
diff --git a/python/set.py b/python/_set.py
similarity index 100%
rename from python/set.py
rename to python/_set.py
diff --git a/src/pocketpy.h b/src/pocketpy.h
index ac5fd710..21dfeab9 100644
--- a/src/pocketpy.h
+++ b/src/pocketpy.h
@@ -774,9 +774,9 @@ inline void VM::post_init(){
 
     CodeObject_ code = compile(kPythonLibs["builtins"], "<builtins>", EXEC_MODE);
     this->_exec(code, this->builtins);
-    code = compile(kPythonLibs["dict"], "<builtins>", EXEC_MODE);
+    code = compile(kPythonLibs["_dict"], "<builtins>", EXEC_MODE);
     this->_exec(code, this->builtins);
-    code = compile(kPythonLibs["set"], "<builtins>", EXEC_MODE);
+    code = compile(kPythonLibs["_set"], "<builtins>", EXEC_MODE);
     this->_exec(code, this->builtins);
 
     // property is defined in builtins.py so we need to add it after builtins is loaded