diff --git a/src/gba/gba-memory.c b/src/gba/gba-memory.c
index 0f4f19e92..7c6fb23fa 100644
--- a/src/gba/gba-memory.c
+++ b/src/gba/gba-memory.c
@@ -27,7 +27,7 @@ void GBAMemoryInit(struct GBAMemory* memory) {
 	memory->d.store16 = GBAStore16;
 	memory->d.store8 = GBAStore8;
 
-	memory->bios = hleBios;
+	memory->bios = (uint32_t*) hleBios;
 	memory->wram = mmap(0, SIZE_WORKING_RAM, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
 	memory->iwram = mmap(0, SIZE_WORKING_IRAM, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
 	memory->rom = 0;
diff --git a/src/gba/hle-bios.h b/src/gba/hle-bios.h
index 28ed40e66..e5beb3d3c 100644
--- a/src/gba/hle-bios.h
+++ b/src/gba/hle-bios.h
@@ -1,7 +1,7 @@
 #ifndef HLE_BIOS_H
 #define HLE_BIOS_H
 
-const unsigned int hleBiosLength;
-const unsigned char hleBios[];
+extern const unsigned int hleBiosLength;
+extern const unsigned char hleBios[];
 
 #endif