diff --git a/sys/opensles/openslessink.c b/sys/opensles/openslessink.c
index 266174a0cf..236f8b3c6f 100644
--- a/sys/opensles/openslessink.c
+++ b/sys/opensles/openslessink.c
@@ -65,7 +65,8 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_ALWAYS,
     GST_STATIC_CAPS ("audio/x-raw, "
         "format = (string) { " GST_AUDIO_NE (S16) ", " GST_AUDIO_NE (U8) "}, "
-        "rate = (int) { " RATES "}, " "channels = (int) [1, 2]")
+        "rate = (int) { " RATES "}, " "channels = (int) [1, 2], "
+        "layout = (string) interleaved")
     );
 
 #define _do_init \
diff --git a/sys/opensles/openslessrc.c b/sys/opensles/openslessrc.c
index 3fd9cb270c..18db5eb193 100644
--- a/sys/opensles/openslessrc.c
+++ b/sys/opensles/openslessrc.c
@@ -48,7 +48,8 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
     GST_STATIC_CAPS ("audio/x-raw, "
         "format = (string) " GST_AUDIO_NE (S16) ", "
         "rate = (int) 16000, "
-        "channels = (int) 1")
+        "channels = (int) 1, "
+        "layout = (string) interleaved")
     );
 /* *INDENT-ON* */