diff --git a/hw/audio/gusemu_hal.c b/hw/audio/gusemu_hal.c
index ae40ca341c..5b9a14ee21 100644
--- a/hw/audio/gusemu_hal.c
+++ b/hw/audio/gusemu_hal.c
@@ -32,7 +32,7 @@
 
 #define GUSregb(position) (*            (gusptr+(position)))
 #define GUSregw(position) (*(uint16_t *) (gusptr+(position)))
-#define GUSregd(position) (*(uint16_t *)(gusptr+(position)))
+#define GUSregd(position) (*(uint32_t *)(gusptr + (position)))
 
 /* size given in bytes */
 unsigned int gus_read(GUSEmuState * state, int port, int size)
diff --git a/hw/audio/gusemu_mixer.c b/hw/audio/gusemu_mixer.c
index 00b9861b92..56300de77e 100644
--- a/hw/audio/gusemu_mixer.c
+++ b/hw/audio/gusemu_mixer.c
@@ -28,7 +28,7 @@
 
 #define GUSregb(position)  (*            (gusptr+(position)))
 #define GUSregw(position)  (*(uint16_t *) (gusptr+(position)))
-#define GUSregd(position)  (*(uint16_t *)(gusptr+(position)))
+#define GUSregd(position)  (*(uint32_t *)(gusptr + (position)))
 
 #define GUSvoice(position) (*(uint16_t *)(voiceptr+(position)))