diff --git a/lib_enc/acelp_core_enc_fx.c b/lib_enc/acelp_core_enc_fx.c
index 6449367c81a5fc4cfc8d12788c3acbd9e5662d21..b9310dead64d1b82a5e84b1a8010304eb681d596 100644
--- a/lib_enc/acelp_core_enc_fx.c
+++ b/lib_enc/acelp_core_enc_fx.c
@@ -156,7 +156,7 @@ ivas_error acelp_core_enc_fx(
         st_fx->Nb_ACELP_frames = 0;
         move16();
     }
-    st_fx->Nb_ACELP_frames = add( st_fx->Nb_ACELP_frames, 1 ); // Q0
+    st_fx->Nb_ACELP_frames = add_sat( st_fx->Nb_ACELP_frames, 1 ); // Q0
     move16();
 
     int_fs_fx = INT_FS_16k_FX;
@@ -967,7 +967,7 @@ ivas_error acelp_core_enc_ivas_fx(
         st->Nb_ACELP_frames = 0;
         move16();
     }
-    st->Nb_ACELP_frames = add( st->Nb_ACELP_frames, 1 );
+    st->Nb_ACELP_frames = add_sat( st->Nb_ACELP_frames, 1 );
     move16();
 
     IF( EQ_16( st->L_frame, L_FRAME ) )
diff --git a/lib_enc/energy_fx.c b/lib_enc/energy_fx.c
index 6d81eb82a7b8bd9dfe8261486ebf6330f1bdefbb..7dc96a4e31a73fa401bb5170f05035510b58de02 100644
--- a/lib_enc/energy_fx.c
+++ b/lib_enc/energy_fx.c
@@ -184,7 +184,7 @@ static void update_sb_bg_energy(
     Word32 sb_bg_energy_ti, tmp;
     Word16 tmpQ, i;
 
-    *tbg_energy_count = add( *tbg_energy_count, 1 ); /* Q0 */
+    *tbg_energy_count = add_sat( *tbg_energy_count, 1 ); /* Q0 */
     move16();
     tmpQ = add( tmp_Q_add, frame_sb_energy_scale );