diff --git a/src/openrct2/CmdlineSprite.cpp b/src/openrct2/CmdlineSprite.cpp
index b80c63b5fb..140015265f 100644
--- a/src/openrct2/CmdlineSprite.cpp
+++ b/src/openrct2/CmdlineSprite.cpp
@@ -608,7 +608,7 @@ int32_t cmdline_for_sprite(const char** argv, int32_t argc)
             }
 
             json_t* path = json_object_get(sprite_description, "path");
-            if (!path || !json_is_string(path))
+            if (!json_is_string(path))
             {
                 fprintf(stderr, "Error: no path provided for sprite %lu\n", (unsigned long)i);
                 json_decref(sprite_list);
diff --git a/src/openrct2/actions/WallPlaceAction.hpp b/src/openrct2/actions/WallPlaceAction.hpp
index 55a9d2a14a..0141a0bbd2 100644
--- a/src/openrct2/actions/WallPlaceAction.hpp
+++ b/src/openrct2/actions/WallPlaceAction.hpp
@@ -55,9 +55,9 @@ private:
     int32_t _wallType{ -1 };
     CoordsXYZ _loc;
     Direction _edge{ INVALID_DIRECTION };
-    int32_t _primaryColour{ 0 };
-    int32_t _secondaryColour{ 0 };
-    int32_t _tertiaryColour{ 0 };
+    int32_t _primaryColour{ COLOUR_BLACK };
+    int32_t _secondaryColour{ COLOUR_BLACK };
+    int32_t _tertiaryColour{ COLOUR_BLACK };
     BannerIndex _bannerId{ BANNER_INDEX_NULL };
 
 public:
diff --git a/src/openrct2/network/Network.cpp b/src/openrct2/network/Network.cpp
index 920f71242e..51ec38afeb 100644
--- a/src/openrct2/network/Network.cpp
+++ b/src/openrct2/network/Network.cpp
@@ -1356,7 +1356,7 @@ void Network::BeginServerLog()
     else
     {
         logMessage[0] = '\0';
-        assert(0 && "Uninitialized mode");
+        Guard::Assert(false, "Unknown network mode!");
     }
     AppendServerLog(logMessage);
 }
@@ -1384,7 +1384,7 @@ void Network::CloseServerLog()
     else
     {
         logMessage[0] = '\0';
-        assert(0 && "Uninitialized mode");
+        Guard::Assert(false, "Unknown network mode!");
     }
     AppendServerLog(logMessage);
     _server_log_fs.close();