diff --git a/Tests/RunCMake/variable_watch/RunCMakeTest.cmake b/Tests/RunCMake/variable_watch/RunCMakeTest.cmake
index 8d2047673..9becb4cd7 100644
--- a/Tests/RunCMake/variable_watch/RunCMakeTest.cmake
+++ b/Tests/RunCMake/variable_watch/RunCMakeTest.cmake
@@ -2,3 +2,4 @@ include(RunCMake)
 
 run_cmake(ModifiedAccess)
 run_cmake(NoWatcher)
+run_cmake(WatchTwice)
diff --git a/Tests/RunCMake/variable_watch/WatchTwice-stderr.txt b/Tests/RunCMake/variable_watch/WatchTwice-stderr.txt
new file mode 100644
index 000000000..fa7d3472a
--- /dev/null
+++ b/Tests/RunCMake/variable_watch/WatchTwice-stderr.txt
@@ -0,0 +1,2 @@
+From watch1
+From watch2
diff --git a/Tests/RunCMake/variable_watch/WatchTwice.cmake b/Tests/RunCMake/variable_watch/WatchTwice.cmake
new file mode 100644
index 000000000..540cfc160
--- /dev/null
+++ b/Tests/RunCMake/variable_watch/WatchTwice.cmake
@@ -0,0 +1,11 @@
+function (watch1)
+    message("From watch1")
+endfunction ()
+
+function (watch2)
+    message("From watch2")
+endfunction ()
+
+variable_watch(watched watch1)
+variable_watch(watched watch2)
+set(access "${watched}")