diff --git a/src/main/target/SPARKY/target.h b/src/main/target/SPARKY/target.h
index cbd2c8f848..fb71dd39ce 100644
--- a/src/main/target/SPARKY/target.h
+++ b/src/main/target/SPARKY/target.h
@@ -112,7 +112,7 @@
 #define BLACKBOX
 
 #define NAV
-//#define NAV_AUTO_MAG_DECLINATION
+#define NAV_AUTO_MAG_DECLINATION
 #define NAV_GPS_GLITCH_DETECTION
 
 #define GPS