diff --git a/regamedll/dlls/animation.cpp b/regamedll/dlls/animation.cpp
index d61b9a3e..2fb51853 100644
--- a/regamedll/dlls/animation.cpp
+++ b/regamedll/dlls/animation.cpp
@@ -613,7 +613,7 @@ void QuaternionSlerp(vec_t *p, vec_t *q, float t, vec_t *qt)
 	}
 
 	float sclp, sclq;
-	float cosom = (p[0] * q[0] + p[1] * q[1] + p[2] * q[2] + p[3] * q[3]);
+	real_t cosom = (p[0] * q[0] + p[1] * q[1] + p[2] * q[2] + p[3] * q[3]);
 
 	if ((1.0 + cosom) > 0.000001)
 	{