diff --git a/test/shell/t2.sh b/test/shell/t2.sh
index 56ce776f..d0d76647 100755
--- a/test/shell/t2.sh
+++ b/test/shell/t2.sh
@@ -7,7 +7,7 @@ if env | grep -q -e '^TRAVIS=true$'; then
 fi
 
 # run till completion
-timeout --kill-after=15s 10s ./mgmt run --file t2.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=15s 10s ./mgmt run --file t2.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid=$!
 wait $pid	# get exit status
 e=$?
diff --git a/test/shell/t3.sh b/test/shell/t3.sh
index 13790ec2..f79c4f50 100755
--- a/test/shell/t3.sh
+++ b/test/shell/t3.sh
@@ -10,11 +10,11 @@ fi
 mkdir -p "${MGMT_TMPDIR}"mgmt{A..C}
 
 # run till completion
-timeout --kill-after=15s 10s ./mgmt run --file t3-a.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=15s 10s ./mgmt run --file t3-a.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid1=$!
-timeout --kill-after=15s 10s ./mgmt run --file t3-b.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=15s 10s ./mgmt run --file t3-b.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid2=$!
-timeout --kill-after=15s 10s ./mgmt run --file t3-c.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=15s 10s ./mgmt run --file t3-c.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid3=$!
 
 wait $pid1	# get exit status
diff --git a/test/shell/t4.sh b/test/shell/t4.sh
index e334004d..6cca0cd5 100755
--- a/test/shell/t4.sh
+++ b/test/shell/t4.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 # should take slightly more than 25s, but fail if we take 35s)
-timeout --kill-after=35s 30s ./mgmt run --file t4.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=35s 30s ./mgmt run --file t4.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid=$!
 wait $pid	# get exit status
 exit $?
diff --git a/test/shell/t5.sh b/test/shell/t5.sh
index 9527b723..79d53616 100755
--- a/test/shell/t5.sh
+++ b/test/shell/t5.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 # should take slightly more than 35s, but fail if we take 45s)
-timeout --kill-after=45s 40s ./mgmt run --file t5.yaml --converged-timeout=5 --no-watch &
+timeout --kill-after=45s 40s ./mgmt run --file t5.yaml --converged-timeout=5 --no-watch --allow-tmp-prefix &
 pid=$!
 wait $pid	# get exit status
 exit $?
diff --git a/test/shell/t6.sh b/test/shell/t6.sh
index 40222f0e..c8805df7 100755
--- a/test/shell/t6.sh
+++ b/test/shell/t6.sh
@@ -7,7 +7,7 @@ if env | grep -q -e '^TRAVIS=true$'; then
 fi
 
 # run till completion
-timeout --kill-after=20s 15s ./mgmt run --file t6.yaml --no-watch &
+timeout --kill-after=20s 15s ./mgmt run --file t6.yaml --no-watch --allow-tmp-prefix &
 pid=$!
 sleep 1s	# let it converge
 test -e /tmp/mgmt/f1
diff --git a/test/shell/t7.sh b/test/shell/t7.sh
index c85a9857..2a590905 100755
--- a/test/shell/t7.sh
+++ b/test/shell/t7.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 # run empty graph
-timeout --kill-after=20s 15s ./mgmt run &
+timeout --kill-after=20s 15s ./mgmt run --allow-tmp-prefix &
 pid=$!
 sleep 5s	# let it converge
 $(sleep 3s && killall -SIGINT mgmt)&	# send ^C to exit mgmt
diff --git a/test/shell/t8.sh b/test/shell/t8.sh
index ed2da33f..16e925e0 100755
--- a/test/shell/t8.sh
+++ b/test/shell/t8.sh
@@ -1,11 +1,11 @@
 #!/bin/bash -e
 
 # run empty graphs, we're just testing etcd clustering
-timeout --kill-after=120s 90s ./mgmt run --hostname h1 &
+timeout --kill-after=120s 90s ./mgmt run --hostname h1 --allow-tmp-prefix &
 pid1=$!
 sleep 5s	# let it startup
 
-timeout --kill-after=120s 90s ./mgmt run --hostname h2 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2381 --server-urls http://127.0.0.1:2382 &
+timeout --kill-after=120s 90s ./mgmt run --hostname h2 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2381 --server-urls http://127.0.0.1:2382 --allow-tmp-prefix &
 pid2=$!
 sleep 5s