diff --git a/src/xrt/drivers/wmr/wmr_hmd.c b/src/xrt/drivers/wmr/wmr_hmd.c
index 79a47f5eb..eb8b3a232 100644
--- a/src/xrt/drivers/wmr/wmr_hmd.c
+++ b/src/xrt/drivers/wmr/wmr_hmd.c
@@ -326,15 +326,22 @@ control_ipd_value_decode(struct wmr_hmd *wh, const unsigned char *buffer, int si
 	}
 
 	uint8_t id = read8(&buffer);
-	uint8_t unknown = read8(&buffer);
-	uint16_t value = read16(&buffer);
+	if (id != 0x1) {
+		WMR_ERROR(wh, "Invalid control IPD distance packet ID (expected 0x1 but got %u)", id);
+		return;
+	}
 
-	(void)id;
-	(void)unknown;
+	uint8_t proximity = read8(&buffer);
+	uint16_t ipd_value = read16(&buffer);
 
-	wh->raw_ipd = value;
+	bool changed = (wh->raw_ipd != ipd_value) || (wh->proximity_sensor != proximity);
 
-	WMR_DEBUG(wh, "Got IPD value: %04x", value);
+	wh->raw_ipd = ipd_value;
+	wh->proximity_sensor = proximity;
+
+	if (changed) {
+		WMR_DEBUG(wh, "Proximity sensor %d IPD: %d", proximity, ipd_value);
+	}
 }
 
 static bool
diff --git a/src/xrt/drivers/wmr/wmr_hmd.h b/src/xrt/drivers/wmr/wmr_hmd.h
index 04babb776..37d3d960f 100644
--- a/src/xrt/drivers/wmr/wmr_hmd.h
+++ b/src/xrt/drivers/wmr/wmr_hmd.h
@@ -99,6 +99,8 @@ struct wmr_hmd
 
 	//! Latest raw IPD value from the device.
 	uint16_t raw_ipd;
+	//! Latest proximity sensor value from the device.
+	uint8_t proximity_sensor;
 
 	/* Distortion related parameters */
 	struct wmr_hmd_distortion_params distortion_params[2];