diff --git a/src/world/map.c b/src/world/map.c
index e362a5e72a..2ead3b974a 100644
--- a/src/world/map.c
+++ b/src/world/map.c
@@ -5259,9 +5259,9 @@ void game_command_set_banner_name(int* eax, int* ebx, int* ecx, int* edx, int* e
 		nameChunkOffset = 2;
 	nameChunkOffset *= 12;
 	nameChunkOffset = min(nameChunkOffset, countof(newName) - 12);
-	RCT2_GLOBAL(newName + nameChunkOffset + 0, uint32) = *edx;
-	RCT2_GLOBAL(newName + nameChunkOffset + 4, uint32) = *ebp;
-	RCT2_GLOBAL(newName + nameChunkOffset + 8, uint32) = *edi;
+	memcpy((void*)((uintptr_t)newName + (uintptr_t)nameChunkOffset + 0), edx, sizeof(uint32));
+	memcpy((void*)((uintptr_t)newName + (uintptr_t)nameChunkOffset + 4), ebp, sizeof(uint32));
+	memcpy((void*)((uintptr_t)newName + (uintptr_t)nameChunkOffset + 8), edi, sizeof(uint32));
 
 	if (nameChunkIndex != 0) {
 		*ebx = 0;