diff --git a/README.md b/README.md
index 310fab5..cdcb2ad 100644
--- a/README.md
+++ b/README.md
@@ -258,18 +258,19 @@ There are a few optional environment variables available for customizing a Whoog
 ### Config Environment Variables
 These environment variables allow setting default config values, but can be overwritten manually by using the home page config menu. These allow a shortcut for destroying/rebuilding an instance to the same config state every time.
 
-| Variable                | Description                                                     |
-| ----------------------- | --------------------------------------------------------------- |
-| WHOOGLE_CONFIG_COUNTRY  | Filter results by hosting country                               |
-| WHOOGLE_CONFIG_LANGUAGE | Set interface and search result language                        |
-| WHOOGLE_CONFIG_DARK     | Enable dark theme                                               |
-| WHOOGLE_CONFIG_SAFE     | Enable safe searches                                            |
-| WHOOGLE_CONFIG_ALTS     | Use social media site alternatives (nitter, invidious, etc)     |
-| WHOOGLE_CONFIG_TOR      | Use Tor routing (if available)                                  |
-| WHOOGLE_CONFIG_NEW_TAB  | Always open results in new tab                                  |
-| WHOOGLE_CONFIG_GET_ONLY | Search using GET requests only                                  |
-| WHOOGLE_CONFIG_URL      | The root url of the instance (`https://<your url>/`)            |
-| WHOOGLE_CONFIG_STYLE    | The custom CSS to use for styling (must be single line)         |
+| Variable                       | Description                                                     |
+| ------------------------------ | --------------------------------------------------------------- |
+| WHOOGLE_CONFIG_COUNTRY         | Filter results by hosting country                               |
+| WHOOGLE_CONFIG_LANGUAGE        | Set interface language                                          |
+| WHOOGLE_CONFIG_SEARCH_LANGUAGE | Set search result language                                      |
+| WHOOGLE_CONFIG_DARK            | Enable dark theme                                               |
+| WHOOGLE_CONFIG_SAFE            | Enable safe searches                                            |
+| WHOOGLE_CONFIG_ALTS            | Use social media site alternatives (nitter, invidious, etc)     |
+| WHOOGLE_CONFIG_TOR             | Use Tor routing (if available)                                  |
+| WHOOGLE_CONFIG_NEW_TAB         | Always open results in new tab                                  |
+| WHOOGLE_CONFIG_GET_ONLY        | Search using GET requests only                                  |
+| WHOOGLE_CONFIG_URL             | The root url of the instance (`https://<your url>/`)            |
+| WHOOGLE_CONFIG_STYLE           | The custom CSS to use for styling (should be single line)       |
 
 ## Usage
 Same as most search engines, with the exception of filtering by time range.
diff --git a/app.json b/app.json
index eb80f95..d1c7b55 100644
--- a/app.json
+++ b/app.json
@@ -71,7 +71,12 @@
         "required": false
     },
     "WHOOGLE_CONFIG_LANGUAGE": {
-        "description": "[CONFIG] The language to use for search results and interface (use values from https://raw.githubusercontent.com/benbusby/whoogle-search/develop/app/static/settings/languages.json)",
+        "description": "[CONFIG] The language to use for the interface (use values from https://raw.githubusercontent.com/benbusby/whoogle-search/develop/app/static/settings/languages.json)",
+        "value": "",
+        "required": false
+    },
+    "WHOOGLE_CONFIG_SEARCH_LANGUAGE": {
+        "description": "[CONFIG] The language to use for search results (use values from https://raw.githubusercontent.com/benbusby/whoogle-search/develop/app/static/settings/languages.json)",
         "value": "",
         "required": false
     },
diff --git a/app/models/config.py b/app/models/config.py
index 8c83441..84ad0e4 100644
--- a/app/models/config.py
+++ b/app/models/config.py
@@ -12,7 +12,7 @@ class Config:
 
         app_config = current_app.config
         self.url = os.getenv('WHOOGLE_CONFIG_URL', '')
-        self.lang_search = os.getenv('WHOOGLE_CONFIG_LANGUAGE', '')
+        self.lang_search = os.getenv('WHOOGLE_CONFIG_SEARCH_LANGUAGE', '')
         self.lang_interface = os.getenv('WHOOGLE_CONFIG_LANGUAGE', '')
         self.style = os.getenv(
             'WHOOGLE_CONFIG_STYLE',
@@ -36,11 +36,12 @@ class Config:
 
         # Skip setting custom config if there isn't one
         if kwargs:
-            for attr in self.get_mutable_attrs():
-                if attr not in kwargs.keys():
-                    setattr(self, attr, '')
-                else:
+            mutable_attrs = self.get_mutable_attrs()
+            for attr in mutable_attrs:
+                if attr in kwargs.keys():
                     setattr(self, attr, kwargs[attr])
+                elif attr not in kwargs.keys() and mutable_attrs[attr] == bool:
+                    setattr(self, attr, False)
 
     def __getitem__(self, name):
         return getattr(self, name)
@@ -55,7 +56,7 @@ class Config:
         return hasattr(self, name)
 
     def get_mutable_attrs(self):
-        return {name: attr for name, attr in self.__dict__.items()
+        return {name: type(attr) for name, attr in self.__dict__.items()
                 if not name.startswith("__")
                 and (type(attr) is bool or type(attr) is str)}
 
diff --git a/whoogle.env b/whoogle.env
index 87a77a2..235a2e7 100644
--- a/whoogle.env
+++ b/whoogle.env
@@ -15,6 +15,7 @@
 
 #WHOOGLE_CONFIG_COUNTRY=countryUK  # See app/static/settings/countries.json for values
 #WHOOGLE_CONFIG_LANGUAGE=lang_en   # See app/static/settings/languages.json for values
+#WHOOGLE_CONFIG_SEARCH_LANGUAGE=lang_en   # See app/static/settings/languages.json for values
 #WHOOGLE_CONFIG_DARK=1  # Dark mode
 #WHOOGLE_CONFIG_SAFE=1  # Safe searches
 #WHOOGLE_CONFIG_ALTS=1  # Use social media site alternatives