diff --git a/lib_com/swb_tbe_com_fx.c b/lib_com/swb_tbe_com_fx.c
index 5631dfa9420b19ea52b80aa60b7c4ff74fe2354c..a3a18e32cdb09aabd238533c2e81c1a117266a58 100644
--- a/lib_com/swb_tbe_com_fx.c
+++ b/lib_com/swb_tbe_com_fx.c
@@ -6701,7 +6701,7 @@ void wb_tbe_extras_reset_synth_fx(
 
 void elliptic_bpf_48k_generic_fx(
 #ifdef FIX_1439_SPEEDUP_SIMPLIFY_elliptic_bpf_48k_generic_STAGE2
-    int16_t element_mode,
+    const int16_t element_mode,
 #endif
 #ifdef FIX_1439_SPEEDUP_SIMPLIFY_elliptic_bpf_48k_generic
     Word16 IsUpsampled3,
@@ -7360,8 +7360,8 @@ void synthesise_fb_high_band_fx(
     {
 #ifdef FIX_1439_SPEEDUP_synthesise_fb_high_band_fx
         L_tmp = Mult_32_16( ratio2, tmp[i] ); /* Q(16-exp+exp_tmp-15 = 1-exp+exp_tmp) */
-        Word32 L_tmp32;
-        Word16 tmp16;
+        Word32 L_tmp32 = L_add( 0, 0 );
+        Word16 tmp16 = add( 0, 0 );
 
         // if (L_tmp < 0)
         if ( L_tmp < 0 )