diff --git a/conf/firmwares/subsystems/shared/gps_furuno.makefile b/conf/firmwares/subsystems/shared/gps_furuno.makefile
index 1a876aee81..27ca67d808 100644
--- a/conf/firmwares/subsystems/shared/gps_furuno.makefile
+++ b/conf/firmwares/subsystems/shared/gps_furuno.makefile
@@ -19,7 +19,7 @@ ifneq ($(GPS_LED),none)
 endif
 
 ifdef SECONDARY_GPS
-ifneq (,$(findstring $(SECONDARY_GPS), nmea furono))
+ifneq (,$(findstring $(SECONDARY_GPS), nmea furuno))
 # this is the secondary GPS
 ap.CFLAGS += -DGPS_SECONDARY_TYPE_H=\"subsystems/gps/gps_nmea.h\"
 ap.CFLAGS += -DSECONDARY_GPS=gps_nmea