diff --git a/lib_com/options.h b/lib_com/options.h
index 680c582156a2b1e5eebb6bc5ac8c73384cd931a2..f2859e80f00ac36cfda56f8b9c5a929125fdb8e4 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -171,6 +171,7 @@
 #define NONBE_FIX_1213_SBA_DET_MAT_INV_3BY3             /*Dolby: issue 1213: fix for inverse of det < 0*/
 #define NONBE_FIX_1204_MDCT_STEREO_NOISE_EST_SCALING    /* FhG: fixes for decoder-side noise level estimation in MDCT-Stereo to prevent noise bursts in stereo switching */
 
+#define NONE_BE_FIX_BASOP_1044_OSBA_PRERENDER_MIX_GAINS /* DLB: adjust prerendering and mixing gain in OSBA encoder. This is fix to float codes*/
 /* #################### End FIXES switches ############################ */
 
 #define BASOP_NOGLOB                                    /* Disable global symbols in BASOPs, Overflow/Carry in BASOPs disabled, additional BASOPs in case of Overflow */
diff --git a/lib_enc/ivas_osba_enc.c b/lib_enc/ivas_osba_enc.c
index 675b89c6d67a42ac884755923b26923232b9987f..dffebcf19d5d66046731cc3f86559ead7a2a6cda 100644
--- a/lib_enc/ivas_osba_enc.c
+++ b/lib_enc/ivas_osba_enc.c
@@ -72,7 +72,11 @@ static void ivas_merge_sba_transports(
     {
         for ( j = 0; j < input_frame; j++ )
         {
+#ifdef NONE_BE_FIX_BASOP_1044_OSBA_PRERENDER_MIX_GAINS
+            data_out_f[i][j] = 0.5f * ( data_in_f1[i][j] + data_in_f2[i][j] );
+#else
             data_out_f[i][j] = ( data_in_f1[i][j] + data_in_f2[i][j] );
+#endif
         }
     }
 
@@ -477,6 +481,7 @@ static void ivas_osba_render_ism_to_sba(
         }
     }
 
+#ifndef NONE_BE_FIX_BASOP_1044_OSBA_PRERENDER_MIX_GAINS
     /* Gain with loudness-matching gains */
     output_gain = 0.7499f;
     for ( j = 0; j < nchan_sba; j++ )
@@ -486,6 +491,7 @@ static void ivas_osba_render_ism_to_sba(
             data_out_f[j][k] *= output_gain;
         }
     }
+#endif
 
     return;
 }