diff --git a/src/mame/drivers/arkanoid.c b/src/mame/drivers/arkanoid.c
index 7913048d696..5f3a154a969 100644
--- a/src/mame/drivers/arkanoid.c
+++ b/src/mame/drivers/arkanoid.c
@@ -1306,6 +1306,8 @@ static DRIVER_INIT( block2 )
 
 	memcpy(srcgfx, buffer, 0x18000);
 
+	free(buffer);
+
 	state->bootleg_id = BLOCK2;
 	arkanoid_bootleg_init(machine);
 }