diff --git a/LEGO1/jukebox.cpp b/LEGO1/jukebox.cpp
index 683903bb..d5ded948 100644
--- a/LEGO1/jukebox.cpp
+++ b/LEGO1/jukebox.cpp
@@ -8,7 +8,7 @@ DECOMP_SIZE_ASSERT(JukeBox, 0x104)
 // FUNCTION: LEGO1 0x1005d660
 JukeBox::JukeBox()
 {
-	m_unk100 = 0;
-	m_unkfc = 0;
+	m_unk0x100 = 0;
+	m_unk0xfc = 0;
 	NotificationManager()->Register(this);
 }
diff --git a/LEGO1/jukebox.h b/LEGO1/jukebox.h
index 6cfb7295..421a5be7 100644
--- a/LEGO1/jukebox.h
+++ b/LEGO1/jukebox.h
@@ -24,10 +24,10 @@ class JukeBox : public LegoWorld {
 	}
 
 private:
-	undefined m_unkf8[4];
-	undefined4 m_unkfc;
-	undefined2 m_unk100;
-	undefined m_unk102[2];
+	undefined m_unk0xf8[4];
+	undefined4 m_unk0xfc;
+	undefined2 m_unk0x100;
+	undefined m_unk0x102[2];
 };
 
 #endif // JUKEBOX_H