diff --git a/tests/check/elements/cmmldec.c b/tests/check/elements/cmmldec.c
index 1ba8fb4a1b..a6b8559d5e 100644
--- a/tests/check/elements/cmmldec.c
+++ b/tests/check/elements/cmmldec.c
@@ -25,7 +25,7 @@
 #include <gst/tag/tag.h>
 
 #define SINK_CAPS "text/x-cmml"
-#define SRC_CAPS "text/x-cmml"
+#define SRC_CAPS "text/x-cmml, encoded=(boolean)TRUE"
 
 #define IDENT_HEADER \
   "CMML\x00\x00\x00\x00"\
diff --git a/tests/check/elements/cmmlenc.c b/tests/check/elements/cmmlenc.c
index 4424a72a77..4b95d713ec 100644
--- a/tests/check/elements/cmmlenc.c
+++ b/tests/check/elements/cmmlenc.c
@@ -26,7 +26,7 @@
 #include <gst/tag/tag.h>
 
 #define SINK_CAPS "text/x-cmml"
-#define SRC_CAPS "text/x-cmml"
+#define SRC_CAPS "text/x-cmml,encoded=(boolean)FALSE"
 
 #define IDENT_HEADER \
   "CMML\x00\x00\x00\x00"\