diff --git a/src/openrct2/peep/GuestPathfinding.cpp b/src/openrct2/peep/GuestPathfinding.cpp
index 425a8dde75..a842bb5f58 100644
--- a/src/openrct2/peep/GuestPathfinding.cpp
+++ b/src/openrct2/peep/GuestPathfinding.cpp
@@ -1368,7 +1368,7 @@ Direction peep_pathfind_choose_direction(TileCoordsXYZ loc, Peep* peep)
             _peepPathFindNumJunctions = _peepPathFindMaxJunctions;
 
             // Initialise _peepPathFindHistory.
-            std::memset(_peepPathFindHistory, 0xFF, sizeof(_peepPathFindHistory));
+            std::memset(static_cast<void*>(_peepPathFindHistory), 0xFF, sizeof(_peepPathFindHistory));
 
             /* The pathfinding will only use elements
              * 1.._peepPathFindMaxJunctions, so the starting point
diff --git a/src/openrct2/world/Sprite.cpp b/src/openrct2/world/Sprite.cpp
index 1e54f68640..6c8810280e 100644
--- a/src/openrct2/world/Sprite.cpp
+++ b/src/openrct2/world/Sprite.cpp
@@ -149,7 +149,7 @@ void invalidate_sprite_2(SpriteBase* sprite)
 void reset_sprite_list()
 {
     gSavedAge = 0;
-    std::memset(_spriteList, 0, sizeof(_spriteList));
+    std::memset(static_cast<void*>(_spriteList), 0, sizeof(_spriteList));
 
     for (int32_t i = 0; i < SPRITE_LIST_COUNT; i++)
     {