diff --git a/sys/dev/drm2/i915/intel_dp.c b/sys/dev/drm2/i915/intel_dp.c
index 6382387e535b..bcb6c1964f74 100644
--- a/sys/dev/drm2/i915/intel_dp.c
+++ b/sys/dev/drm2/i915/intel_dp.c
@@ -620,14 +620,14 @@ intel_dp_i2c_aux_ch(device_t idev, int mode, uint8_t write_byte,
 			break;
 		case AUX_NATIVE_REPLY_NACK:
 			DRM_DEBUG_KMS("aux_ch native nack\n");
-			return (EREMOTEIO);
+			return (-EREMOTEIO);
 		case AUX_NATIVE_REPLY_DEFER:
 			DELAY(100);
 			continue;
 		default:
 			DRM_ERROR("aux_ch invalid native reply 0x%02x\n",
 				  reply[0]);
-			return (EREMOTEIO);
+			return (-EREMOTEIO);
 		}
 
 		switch (reply[0] & AUX_I2C_REPLY_MASK) {
@@ -638,14 +638,14 @@ intel_dp_i2c_aux_ch(device_t idev, int mode, uint8_t write_byte,
 			return (0/*reply_bytes - 1*/);
 		case AUX_I2C_REPLY_NACK:
 			DRM_DEBUG_KMS("aux_i2c nack\n");
-			return (EREMOTEIO);
+			return (-EREMOTEIO);
 		case AUX_I2C_REPLY_DEFER:
 			DRM_DEBUG_KMS("aux_i2c defer\n");
 			DELAY(100);
 			break;
 		default:
 			DRM_ERROR("aux_i2c invalid reply 0x%02x\n", reply[0]);
-			return (EREMOTEIO);
+			return (-EREMOTEIO);
 		}
 	}