diff --git a/testenv/v2-hdmi-rpi4.override.yaml b/testenv/v2-hdmi-rpi4.override.yaml
index e79d86d3..dc63b3a3 100644
--- a/testenv/v2-hdmi-rpi4.override.yaml
+++ b/testenv/v2-hdmi-rpi4.override.yaml
@@ -129,6 +129,12 @@ vnc:
         vncauth:
             enabled: true
 
+    memsink:
+        jpeg:
+            sink: ""
+        h264:
+            sink: ""
+
 otgnet:
     commands:
         post_start_cmd:
diff --git a/testenv/v2-hdmiusb-rpi4.override.yaml b/testenv/v2-hdmiusb-rpi4.override.yaml
index 00315bb7..45e857b1 100644
--- a/testenv/v2-hdmiusb-rpi4.override.yaml
+++ b/testenv/v2-hdmiusb-rpi4.override.yaml
@@ -41,6 +41,12 @@ vnc:
         vncauth:
             enabled: true
 
+    memsink:
+        jpeg:
+            sink: ""
+        h264:
+            sink: ""
+
 otgnet:
     commands:
         post_start_cmd: