diff --git a/test/cases/aws.sh b/test/cases/aws.sh
index c18e01806..d4ca5d6ca 100755
--- a/test/cases/aws.sh
+++ b/test/cases/aws.sh
@@ -131,6 +131,8 @@ sudo composer-cli blueprints depsolve bash
 WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
 sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
 WORKER_JOURNAL_PID=$!
+# Stop watching the worker journal when exiting.
+trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
 # Start the compose and upload to AWS.
 greenprint "🚀 Starting compose"
@@ -172,9 +174,6 @@ $AWS_CMD ec2 describe-images \
 
 AMI_IMAGE_ID=$(jq -r '.Images[].ImageId' "$AMI_DATA")
 
-# Stop watching the worker journal.
-sudo pkill -P ${WORKER_JOURNAL_PID}
-
 # NOTE(mhayden): Getting TagSpecifications to play along with bash's
 # parsing of curly braces and square brackets is nuts, so we just write some
 # json and pass it to the aws command.
diff --git a/test/cases/azure.sh b/test/cases/azure.sh
index 735a0e10e..071a81a30 100755
--- a/test/cases/azure.sh
+++ b/test/cases/azure.sh
@@ -150,6 +150,8 @@ sudo composer-cli blueprints depsolve bash
 WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
 sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
 WORKER_JOURNAL_PID=$!
+# Stop watching the worker journal when exiting.
+trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
 # Start the compose and upload to Azure.
 greenprint "🚀 Starting compose"
@@ -182,9 +184,6 @@ if [[ $COMPOSE_STATUS != FINISHED ]]; then
     exit 1
 fi
 
-# Stop watching the worker journal.
-sudo pkill -P ${WORKER_JOURNAL_PID}
-
 # Set up necessary variables for terraform
 export TF_VAR_RESOURCE_GROUP="$AZURE_RESOURCE_GROUP"
 export TF_VAR_STORAGE_ACCOUNT="$AZURE_STORAGE_ACCOUNT"
diff --git a/test/cases/ostree-ng.sh b/test/cases/ostree-ng.sh
index 28ac4f29d..f3b720ef6 100755
--- a/test/cases/ostree-ng.sh
+++ b/test/cases/ostree-ng.sh
@@ -119,6 +119,8 @@ build_image() {
     WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
     sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
     WORKER_JOURNAL_PID=$!
+    # Stop watching the worker journal when exiting.
+    trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
     # Start the compose.
     greenprint "🚀 Starting compose"
@@ -155,9 +157,6 @@ build_image() {
         echo "Something went wrong with the compose. 😢"
         exit 1
     fi
-
-    # Stop watching the worker journal.
-    sudo pkill -P ${WORKER_JOURNAL_PID}
 }
 
 # Wait for the ssh server up to be.
diff --git a/test/cases/ostree.sh b/test/cases/ostree.sh
index 228760c1d..6c6a81e05 100755
--- a/test/cases/ostree.sh
+++ b/test/cases/ostree.sh
@@ -146,6 +146,8 @@ build_image() {
     WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
     sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
     WORKER_JOURNAL_PID=$!
+    # Stop watching the worker journal when exiting.
+    trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
     # Start the compose.
     greenprint "🚀 Starting compose"
@@ -187,9 +189,6 @@ build_image() {
         echo "Something went wrong with the compose. 😢"
         exit 1
     fi
-
-    # Stop watching the worker journal.
-    sudo pkill -P ${WORKER_JOURNAL_PID}
 }
 
 # Wait for the ssh server up to be.
diff --git a/test/cases/vmware.sh b/test/cases/vmware.sh
index cbbece63d..b7ad46457 100755
--- a/test/cases/vmware.sh
+++ b/test/cases/vmware.sh
@@ -131,6 +131,8 @@ sudo composer-cli blueprints depsolve bash
 WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
 sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
 WORKER_JOURNAL_PID=$!
+# Stop watching the worker journal when exiting.
+trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
 # Start the compose and upload to VMWare.
 greenprint "🚀 Starting compose"
@@ -164,9 +166,6 @@ if [[ $COMPOSE_STATUS != FINISHED ]]; then
     exit 1
 fi
 
-# Stop watching the worker journal.
-sudo pkill -P ${WORKER_JOURNAL_PID}
-
 greenprint "👷🏻 Building VM in vSphere"
 $GOVC_CMD vm.create -u "${GOVMOMI_USERNAME}":"${GOVMOMI_PASSWORD}"@"${GOVMOMI_URL}" \
     -k=true \
diff --git a/tools/libvirt_test.sh b/tools/libvirt_test.sh
index f5ea731c9..a20826c5f 100755
--- a/tools/libvirt_test.sh
+++ b/tools/libvirt_test.sh
@@ -138,6 +138,8 @@ sudo composer-cli blueprints depsolve bp
 WORKER_UNIT=$(sudo systemctl list-units | grep -o -E "osbuild.*worker.*\.service")
 sudo journalctl -af -n 1 -u "${WORKER_UNIT}" &
 WORKER_JOURNAL_PID=$!
+# Stop watching the worker journal when exiting.
+trap 'sudo pkill -P ${WORKER_JOURNAL_PID}' EXIT
 
 # Start the compose
 greenprint "🚀 Starting compose"
@@ -170,9 +172,6 @@ if [[ $COMPOSE_STATUS != FINISHED ]]; then
     exit 1
 fi
 
-# Stop watching the worker journal.
-sudo pkill -P ${WORKER_JOURNAL_PID}
-
 # Download the image.
 greenprint "📥 Downloading the image"