diff --git a/lib_util/render_config_reader.c b/lib_util/render_config_reader.c
index 7ee4fbc996962375a266cc520492b0f2f920edf7..41d3e1044ed0625b5418c7e691fa69f91cba847f 100644
--- a/lib_util/render_config_reader.c
+++ b/lib_util/render_config_reader.c
@@ -1988,7 +1988,9 @@ ivas_error RenderConfigReader_read(
     pTemp = (char *) calloc( file_size + 1, sizeof( char ) );
     acIdx = 0;
     roomAcHasFgCount = roomAcHasAcEnvCount = FALSE;
+#ifdef _MSC_VER
     setvbuf( pRenderConfigReader->pConfigFile, pConfig_str, _IONBF, sizeof( char ) ); /* Work-around for VS bug that gives incorrect ftell for UNIX-style line endings */
+#endif
 
     /* read file line by line */
     while ( fgets( pConfig_str, file_size, pRenderConfigReader->pConfigFile ) != NULL )