diff --git a/src/r_fps.c b/src/r_fps.c
index 61bc70624..6f4281687 100644
--- a/src/r_fps.c
+++ b/src/r_fps.c
@@ -150,7 +150,7 @@ static void R_SetupFreelook(player_t *player, boolean skybox)
 
 void R_InterpolateViewRollAngle(fixed_t frac)
 {
-	viewroll = oldview->roll + R_LerpAngle(oldview->roll, newview->roll, frac);
+	viewroll = R_LerpAngle(oldview->roll, newview->roll, frac);
 }
 
 void R_InterpolateView(fixed_t frac)