diff --git a/apps/renderer.c b/apps/renderer.c
index 73203597c4ab47b940b6ae7a7b39f4c86693f5b6..a11d077258dcf134ad4bc59e2779360da992b5d1 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -1251,7 +1251,7 @@ int main(
     /* Set reverb room size if specified */
     if ( args.reverbRoomSize != IVAS_ROOM_SIZE_AUTO )
     {
-        if ( ( IVAS_REND_SetReverbRoomSize( hIvasRend, args.reverbRoomSize ) ) != IVAS_ERR_OK )
+        if ( ( error = IVAS_REND_SetReverbRoomSize( hIvasRend, args.reverbRoomSize ) ) != IVAS_ERR_OK )
         {
             fprintf( stderr, "\nError setting reverb room size\n" );
             goto cleanup;
diff --git a/lib_com/options.h b/lib_com/options.h
index c274abb89954b581dbcca3955460a55b62d5f84a..d3c9bcb1a97040ad1154e92669d0edb2f5ed3a79 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -108,6 +108,7 @@
 #define FIX_BASOP_2513_EXTRA_RETURN_REND_OPEN           /* Nokia: BASOP issue 2513: Removes extra return block */
 #define FIX_BASOP_2514_EFAP_PORTING_ERROR               /* Nokia: BASOP issue 2514: Fix wrongly ported line */
 #define FIX_BASOP_2516_REND_CUSTOM_LAYOUT_PORT_BUG      /* Nokia: BASOP issue 2516: Fix porting bug in setting planar state for custom layout in renderer */
+#define FIX_FLOAT_1569_REND_RENDER_CONFIG_CHECKS        /* Nokia: float issue 1569: fix render config checks in renderer */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_rend/lib_rend_fx.c b/lib_rend/lib_rend_fx.c
index e3ec4e65a05fd7ae2acdcf71d0f3443e7ae6ac62..72a2eca3e9fdc298206c9d5f7bd6fd028d55464a 100644
--- a/lib_rend/lib_rend_fx.c
+++ b/lib_rend/lib_rend_fx.c
@@ -4799,13 +4799,29 @@ ivas_error IVAS_REND_AddInput_fx(
     setMaxGlobalDelayNs( hIvasRend );
 
     /* select default reverb size after adding an input */
+#ifdef FIX_FLOAT_1569_REND_RENDER_CONFIG_CHECKS
+    test();
+    IF( EQ_32( hIvasRend->outputConfig, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) && EQ_32( hIvasRend->selectedRoomReverbSize, DEFAULT_REVERB_UNSET ) )
+#else
     IF( EQ_32( hIvasRend->selectedRoomReverbSize, DEFAULT_REVERB_UNSET ) )
+#endif
     {
+#ifdef FIX_FLOAT_1569_REND_RENDER_CONFIG_CHECKS
+        IF( NE_32( error = IVAS_REND_SetReverbRoomSize( hIvasRend, getDefaultReverbSize( hIvasRend->inputsIsm,
+                                                                                         hIvasRend->inputsMasa,
+                                                                                         hIvasRend->inputsMc,
+                                                                                         hIvasRend->inputsSba ) ),
+                   IVAS_ERR_OK ) )
+        {
+            return error;
+        }
+#else
         IVAS_REND_SetReverbRoomSize( hIvasRend,
                                      getDefaultReverbSize( hIvasRend->inputsIsm,
                                                            hIvasRend->inputsMasa,
                                                            hIvasRend->inputsMc,
                                                            hIvasRend->inputsSba ) );
+#endif
     }
 
     return IVAS_ERR_OK;
@@ -6084,7 +6100,11 @@ ivas_error IVAS_REND_SetReverbRoomSize(
 
     IF( hIvasRend->hRendererConfig != NULL )
     {
+#ifdef FIX_FLOAT_1569_REND_RENDER_CONFIG_CHECKS
+        IF( NE_32( error = ivas_render_config_change_defaults( hIvasRend->hRendererConfig, hIvasRend->selectedRoomReverbSize ), IVAS_ERR_OK ) )
+#else
         IF( EQ_32( error = ivas_render_config_change_defaults( hIvasRend->hRendererConfig, hIvasRend->selectedRoomReverbSize ), IVAS_ERR_OK ) )
+#endif
         {
             return error;
         }