diff --git a/drivers/media/dvb/frontends/mt312.h b/drivers/media/dvb/frontends/mt312.h
index 96338f0c4dd4..de796eab3911 100644
--- a/drivers/media/dvb/frontends/mt312.h
+++ b/drivers/media/dvb/frontends/mt312.h
@@ -33,7 +33,7 @@ struct mt312_config {
 	u8 demod_address;
 
 	/* inverted voltage setting */
-	int voltage_inverted:1;
+	unsigned int voltage_inverted:1;
 };
 
 #if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))