diff --git a/apps/decoder.c b/apps/decoder.c
index 401a26761ce7244356038ff81f2ba9abd4994989..97825780070bfe04c9877b0032b850d779a0f8e4 100644
--- a/apps/decoder.c
+++ b/apps/decoder.c
@@ -452,6 +452,13 @@ int main(
             fprintf( stderr, "\nConfigure failed: %s\n\n", IVAS_DEC_GetErrorMessage( error ) );
             goto cleanup;
         }
+
+#ifdef FIX_1449_RENDERER_FRAME_SIZE_UNCLEAR_IN_ISAR
+        if ( !arg.renderConfigEnabled && ( arg.renderFramesize != asked_frame_size ) )
+        {
+            fprintf( stderr, "\nChanged render framesize, only 20ms are allowed for non-0dof split rendering!\n" );
+        }
+#endif
     }
 
     /*------------------------------------------------------------------------------------------*
diff --git a/lib_com/options.h b/lib_com/options.h
index 2c70dd14f900bcf3ae42a391332364aa639d8451..25037c7992fa477f0cee546b017677635e5cf1ca 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -103,6 +103,7 @@
 #define FIX_1904_HARM_GSC_ENC                           /* VA: #1904 Harmonization of EVS and IVAS GSC code */
 #define FIX_2271_OOB_INDEXING_IN_PIT_OL2                /* VA: Fix for issue 2271, to silence clang18 */
 #define FIX_2273_OOB_INDEXING_IN_PIT_FR4                /* VA: Fix to silence clang on ptr init */
+#define FIX_1449_RENDERER_FRAME_SIZE_UNCLEAR_IN_ISAR    /* Dolby: Fix for issue 1449: renderer frame size unclear in ISAR */
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_dec/lib_dec_fx.c b/lib_dec/lib_dec_fx.c
index 26f0f52e7a73bad81a49c2c6c4a1a50517478310..e6124911e886f10a5cdf9942cfe692804f1bb165 100644
--- a/lib_dec/lib_dec_fx.c
+++ b/lib_dec/lib_dec_fx.c
@@ -1632,6 +1632,12 @@ ivas_error IVAS_DEC_GetSplitBinauralBitstream(
         {
             scale_sig32( p_head_pose_buf[i], numSamplesPerChannelToOutput, sub( Q11, Q_out[i] ) ); // Q11
         }
+
+#ifdef FIX_1449_RENDERER_FRAME_SIZE_UNCLEAR_IN_ISAR
+#ifndef DISABLE_LIMITER
+        ivas_limiter_dec_fx( st_ivas->hLimiter, p_head_pose_buf, st_ivas->hDecoderConfig->nchan_out, numSamplesPerChannelToOutput, st_ivas->BER_detect, Q11 );
+#endif
+#else
         IF( EQ_32( st_ivas->hDecoderConfig->render_framesize, IVAS_RENDER_FRAMESIZE_5MS ) )
         {
 #ifndef DISABLE_LIMITER
@@ -1642,6 +1648,7 @@ ivas_error IVAS_DEC_GetSplitBinauralBitstream(
         {
             ivas_limiter_dec_fx( st_ivas->hLimiter, p_head_pose_buf, st_ivas->hDecoderConfig->nchan_out, numSamplesPerChannelToOutput, st_ivas->BER_detect, Q11 );
         }
+#endif
 
         ivas_syn_output_fx( p_head_pose_buf, Q11, numSamplesPerChannelToOutput, st_ivas->hDecoderConfig->nchan_out, pcmBuf_out );
     }
@@ -4990,6 +4997,11 @@ IF( hIvasDec->hasDecodedFirstGoodFrame &&splitRendBits != NULL )
             scale_sig32( p_head_pose_buf[i], *nSamplesRendered, sub( Q11, Q_out[i] ) ); // Q11
         }
 
+#ifdef FIX_1449_RENDERER_FRAME_SIZE_UNCLEAR_IN_ISAR
+#ifndef DISABLE_LIMITER
+        ivas_limiter_dec_fx( st_ivas->hLimiter, p_head_pose_buf, st_ivas->hDecoderConfig->nchan_out, *nSamplesRendered, st_ivas->BER_detect, Q11 );
+#endif
+#else
         IF( EQ_32( st_ivas->hDecoderConfig->render_framesize, IVAS_RENDER_FRAMESIZE_5MS ) )
         {
 #ifndef DISABLE_LIMITER
@@ -5000,6 +5012,7 @@ IF( hIvasDec->hasDecodedFirstGoodFrame &&splitRendBits != NULL )
         {
             ivas_limiter_dec_fx( st_ivas->hLimiter, p_head_pose_buf, st_ivas->hDecoderConfig->nchan_out, *nSamplesRendered, st_ivas->BER_detect, Q11 );
         }
+#endif
 
         ivas_syn_output_fx( p_head_pose_buf, Q11, *nSamplesRendered, st_ivas->hDecoderConfig->nchan_out, pcmBuf );
     }