diff --git a/lib_com/ivas_prot_fx.h b/lib_com/ivas_prot_fx.h
index 8b8f12f43140553fb220cffa3ef13942d1a4b57d..6fb6181ba8381f9c2ba8b8d42c53b62b118832a8 100644
--- a/lib_com/ivas_prot_fx.h
+++ b/lib_com/ivas_prot_fx.h
@@ -5172,9 +5172,9 @@ Word16 ivas_is_res_channel(
 );
 
 void ivas_spar_dec_agc_pca_fx(
-    Decoder_Struct *st_ivas,                                    /* i/o: IVAS decoder handle                         */
-    Word32 *output[],                                           /* i/o: input/output audio channels                 */
-    const Word16 output_frame                                   /* i  : output frame length                         */
+    Decoder_Struct *st_ivas,                                    /* i/o: IVAS decoder handle                             */
+    Word32 *output[],                                           /* i/o: input/output audio channels, Qin=Q14 -> Qout=Q11*/
+    const Word16 output_frame                                   /* i  : output frame length                             */
 );
 
 void ivas_spar_dec_set_render_map_fx(
diff --git a/lib_com/options.h b/lib_com/options.h
index 0feca9ea2db460ac7b1da407e9eeddff353972a1..23a5aa26c110b2fd3f840f5486a32a483164f218 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -100,6 +100,7 @@
 #define FIX_2448_RENDERER_MSAN_ERROR                    /* FhG: basop issue 2448: fix MSAN error with MSA rendering */
 #define FIX_2283_ISM_MD_DELAY                           /* Dolby: Fix ISM metadata delay round-off */
 #define FIX_BASOP_2262_OLAP_BUFFER_SYNTH_SWITCHING      /* FhG: basop issue 2262: correct buffer update for FD-CNG buffer in case of BR switching */
+#define FIX_2440_AGC_PRESCALING                         /* FhG: basop issue 2440: Fix loop bounds when scaling p_output_fx before ivas_spar_dec_agc_pca_fx() */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_dec/ivas_dec_fx.c b/lib_dec/ivas_dec_fx.c
index a844b37db5005b4dc8805cc5ad5b35ee9069b9c3..525caf8e2eb2ab2b8b48b92f54c8081e2cab3b5f 100644
--- a/lib_dec/ivas_dec_fx.c
+++ b/lib_dec/ivas_dec_fx.c
@@ -629,7 +629,13 @@ ivas_error ivas_dec_fx(
         ELSE IF( NE_32( st_ivas->renderer_type, RENDERER_DISABLE ) && st_ivas->sba_dirac_stereo_flag == 0 )
         {
             Word16 size = add( st_ivas->hSpar->hMdDec->spar_md_cfg.nchan_transport, sba_ch_idx );
+#ifdef FIX_2440_AGC_PRESCALING
+            // For nchan_transport = 3, the fourth input audio channel in ivas_spar_dec_agc_pca_fx() is also used,
+            // so one additional channel must be aligned to Q14.
+            if ( EQ_16( st_ivas->hSpar->hMdDec->spar_md_cfg.nchan_transport, 3 ) )
+#else
             if ( EQ_16( size, 3 ) )
+#endif
             {
                 size = add( size, 1 );
             }
diff --git a/lib_dec/ivas_spar_decoder_fx.c b/lib_dec/ivas_spar_decoder_fx.c
index bc819763bab4f78b7d0ae0d1205162b3cbdb1747..f36cdc0cbfc67e314ebaa2bcd67687aa6a3ff411 100644
--- a/lib_dec/ivas_spar_decoder_fx.c
+++ b/lib_dec/ivas_spar_decoder_fx.c
@@ -1442,9 +1442,9 @@ static void ivas_spar_calc_smooth_facs_fx(
  *-------------------------------------------------------------------*/
 
 void ivas_spar_dec_agc_pca_fx(
-    Decoder_Struct *st_ivas,  /* i/o: IVAS decoder handle                     */
-    Word32 *output[],         /* i/o: input/output audio channels             Q14*/
-    const Word16 output_frame /* i  : output frame length                     Q0*/
+    Decoder_Struct *st_ivas,  /* i/o: IVAS decoder handle                             */
+    Word32 *output[],         /* i/o: input/output audio channels, Qin=Q14 -> Qout=Q11*/
+    const Word16 output_frame /* i  : output frame length                           Q0*/
 )
 {
     Word16 nchan_transport;