diff --git a/lib_enc/mslvq_enc_fx.c b/lib_enc/mslvq_enc_fx.c
index 8f8dd4537e60c9085f7237e3bee200ad9c7b7d3b..4955dede80a4a7e57d285bebf54ec13d0fda2508 100644
--- a/lib_enc/mslvq_enc_fx.c
+++ b/lib_enc/mslvq_enc_fx.c
@@ -1221,10 +1221,10 @@ Word32 mslvq_ivas_16(
         }
         ELSE
         {
-            p_sigma = sigma_p_fx[mode];
+            p_sigma = sigma_p_ivas_fx[mode];
 
             /* inverse sigma is precomputed to save complexity */
-            p_inv_sigma = inv_sigma_p_fx[mode];
+            p_inv_sigma = inv_sigma_p_ivas_fx[mode];
 
             p_scales = scales_p_ivas_fx[mode_glb];