diff --git a/.appveyor.yml b/.appveyor.yml
index 4662cc0b..bca79a40 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -66,6 +66,7 @@ for:
     - ./configure
   build_script:
     - make package -C tmp
+    - .ci/memory-leak-test.sh
   after_build:
     - .ci/appveyor_afterbuild.sh
   on_failure:
diff --git a/.ci/memory-leak-test.sh b/.ci/memory-leak-test.sh
new file mode 100755
index 00000000..dd1bce14
--- /dev/null
+++ b/.ci/memory-leak-test.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eux
+
+echo -n | ./build/vpntest s | grep -Fq 'NO MEMORY LEAKS'
+echo -n | ./build/vpntest c | grep -Fq 'NO MEMORY LEAKS'
+echo -n | ./build/vpntest b | grep -Fq 'NO MEMORY LEAKS'