diff --git a/pjmedia/src/pjmedia-codec/l16.c b/pjmedia/src/pjmedia-codec/l16.c
index 2789498..7e86ac7 100644
--- a/pjmedia/src/pjmedia-codec/l16.c
+++ b/pjmedia/src/pjmedia-codec/l16.c
@@ -656,6 +656,7 @@
     /* Done */
     output->type = PJMEDIA_FRAME_TYPE_AUDIO;
     output->size = input->size;
+    output->timestamp = input->timestamp;
 
     return PJ_SUCCESS;
 }
@@ -690,6 +691,7 @@
 
     output->type = PJMEDIA_FRAME_TYPE_AUDIO;
     output->size = input->size;
+    output->timestamp = input->timestamp;
 
 #if !PLC_DISABLED
     if (l16_data->plc_enabled)