diff --git a/freqtrade/resolvers/iresolver.py b/freqtrade/resolvers/iresolver.py
index 3ab461041..cddc8b84d 100644
--- a/freqtrade/resolvers/iresolver.py
+++ b/freqtrade/resolvers/iresolver.py
@@ -44,7 +44,7 @@ class IResolver:
 
     @classmethod
     def build_search_paths(cls, config: Dict[str, Any], user_subdir: Optional[str] = None,
-                           extra_dir: Optional[str] = None) -> List[Path]:
+                           extra_dirs: Optional[List[str]] = None) -> List[Path]:
 
         abs_paths: List[Path] = []
         if cls.initial_search_path:
@@ -53,9 +53,10 @@ class IResolver:
         if user_subdir:
             abs_paths.insert(0, config['user_data_dir'].joinpath(user_subdir))
 
-        if extra_dir:
+        if extra_dirs:
             # Add extra directory to the top of the search paths
-            abs_paths.insert(0, Path(extra_dir).resolve())
+            for dir in extra_dirs:
+                abs_paths.insert(0, Path(dir).resolve())
 
         return abs_paths
 
@@ -164,9 +165,13 @@ class IResolver:
         :return: Object instance or None
         """
 
+        extra_dirs: List[str] = []
+        if extra_dir:
+            extra_dirs.append(extra_dir)
+
         abs_paths = cls.build_search_paths(config,
                                            user_subdir=cls.user_subdir,
-                                           extra_dir=extra_dir)
+                                           extra_dirs=extra_dirs)
 
         found_object = cls._load_object(paths=abs_paths, object_name=object_name,
                                         kwargs=kwargs)
diff --git a/freqtrade/resolvers/strategy_resolver.py b/freqtrade/resolvers/strategy_resolver.py
index 8ad7cdb59..4f5d22e45 100644
--- a/freqtrade/resolvers/strategy_resolver.py
+++ b/freqtrade/resolvers/strategy_resolver.py
@@ -7,8 +7,9 @@ import logging
 import tempfile
 from base64 import urlsafe_b64decode
 from inspect import getfullargspec
+from os import walk
 from pathlib import Path
-from typing import Any, Dict, Optional
+from typing import Any, Dict, List, Optional
 
 from freqtrade.constants import REQUIRED_ORDERTIF, REQUIRED_ORDERTYPES, USERPATH_STRATEGIES
 from freqtrade.exceptions import OperationalException
@@ -166,10 +167,15 @@ class StrategyResolver(IResolver):
         :param extra_dir: additional directory to search for the given strategy
         :return: Strategy instance or None
         """
+        extra_dirs: List[str] = [
+            path[0] for path in walk(f"{config['user_data_dir']}/{USERPATH_STRATEGIES}")
+        ]  # sub-directories
+        if extra_dir:
+            extra_dirs.append(extra_dir)
 
         abs_paths = StrategyResolver.build_search_paths(config,
                                                         user_subdir=USERPATH_STRATEGIES,
-                                                        extra_dir=extra_dir)
+                                                        extra_dirs=extra_dirs)
 
         if ":" in strategy_name:
             logger.info("loading base64 encoded strategy")