diff --git a/src/k_kart.c b/src/k_kart.c
index 27f2d89da..778f55d83 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -392,6 +392,8 @@ void K_RegisterKartStuff(void)
 	CV_RegisterVar(&cv_kartairthrust_power3);
 	CV_RegisterVar(&cv_kartairthrust_power4);
 
+	CV_RegisterVar(&cv_kartwaterskiplock);
+
 	CV_RegisterVar(&cv_kartslopeboost);
 
 	CV_RegisterVar(&cv_kartaltshrinktime);