diff --git a/abi-test-suite/runtest.sh b/abi-test-suite/runtest.sh
index 1e3dff0..91785c5 100755
--- a/abi-test-suite/runtest.sh
+++ b/abi-test-suite/runtest.sh
@@ -41,7 +41,7 @@ fi
 
 set -xe
 
-cd $(mktemp -d)
+cd $(mktemp -d -p /var/tmp)
 cp -r $testsuite_dir/ABI-Testsuite .
 cd ABI-Testsuite
 python3 linux-x86.py $compiler test -v $thread_args
diff --git a/integration-test-suite/runtest.sh b/integration-test-suite/runtest.sh
index 06df356..1af4e4a 100755
--- a/integration-test-suite/runtest.sh
+++ b/integration-test-suite/runtest.sh
@@ -30,7 +30,7 @@ fi
 
 set -xe
 
-cd $(mktemp -d)
+cd $(mktemp -d -p /var/tmp)
 git clone $repo_url
 cd llvm-toolchain-integration-test-suite
 mkdir _build && cd _build
diff --git a/test-suite/runtest.sh b/test-suite/runtest.sh
index 8195f1d..f3c14d8 100755
--- a/test-suite/runtest.sh
+++ b/test-suite/runtest.sh
@@ -57,7 +57,7 @@ fi
 
 set -xe
 
-cd $(mktemp -d)
+cd $(mktemp -d -p /var/tmp)
 
 cmake -G Ninja $testsuite_dir \
     -DCMAKE_C_COMPILER=$cc \