diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 234ee49d2..eeb3d6d00 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -249,11 +249,16 @@ regression-include-excluded-packages:
   variables:
     SCRIPT: regression-include-excluded-packages.sh
 
-regression-old-worker-new-composer.sh:
+regression-old-worker-new-composer:
   extends: .regression
   variables:
     SCRIPT: regression-old-worker-new-composer.sh
 
+regression-no-explicit-rootfs-definition:
+  extends: .regression
+  variables:
+    SCRIPT: regression-no-explicit-rootfs-definition.sh
+
 Image Tests:
   stage: test
   extends: .terraform
diff --git a/test/cases/regression-no-explicit-rootfs-definition.sh b/test/cases/regression-no-explicit-rootfs-definition.sh
new file mode 100644
index 000000000..65d4978de
--- /dev/null
+++ b/test/cases/regression-no-explicit-rootfs-definition.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+# https://bugzilla.redhat.com/show_bug.cgi?id=2049500
+
+
+# Get OS data.
+source /usr/libexec/osbuild-composer-test/set-env-variables.sh
+
+case "${ID}-${VERSION_ID}" in
+    "fedora-*")
+        echo "$0 is not enabled for ${ID}-${VERSION_ID} skipping..."
+        exit 0
+        ;;
+    *)
+        ;;
+esac
+
+set -xeuo pipefail
+
+# Provision the software under test.
+/usr/libexec/osbuild-composer-test/provision.sh
+
+
+function get_build_info() {
+    key="$1"
+    fname="$2"
+    if rpm -q --quiet weldr-client; then
+        key=".body${key}"
+    fi
+    jq -r "${key}" "${fname}"
+}
+
+# Provision the software under test.
+BLUEPRINT_FILE=/tmp/blueprint.toml
+COMPOSE_START=/tmp/compose-start.json
+COMPOSE_INFO=/tmp/compose-info.json
+
+# Write a basic blueprint for our image.
+# It is important that / is not explicitly specified in the blueprint
+tee "$BLUEPRINT_FILE" > /dev/null << 'EOF'
+name = "noexplicitroot"
+description = "no explicit rootfs defined"
+version = "0.0.1"
+modules = []
+groups = []
+
+[[packages]]
+name = "vim-enhanced"
+version = "*"
+
+[[customizations.filesystem]]
+mountpoint = "/data"
+size = 2147483648
+EOF
+
+sudo composer-cli blueprints push "$BLUEPRINT_FILE"
+sudo composer-cli --json compose start noexplicitroot qcow2 | tee "${COMPOSE_START}"
+COMPOSE_ID=$(get_build_info ".build_id" "$COMPOSE_START")
+# Wait for the compose to finish.
+echo "⏱ Waiting for compose to finish: ${COMPOSE_ID}"
+while true; do
+    sudo composer-cli --json compose info "${COMPOSE_ID}" | tee "$COMPOSE_INFO" > /dev/null
+    COMPOSE_STATUS=$(get_build_info ".queue_status" "$COMPOSE_INFO")
+
+    # Is the compose finished?
+    if [[ $COMPOSE_STATUS != RUNNING ]] && [[ $COMPOSE_STATUS != WAITING ]]; then
+        break
+    fi
+
+    # Wait 30 seconds and try again.
+    sleep 30
+done
+
+sudo composer-cli compose delete "${COMPOSE_ID}" >/dev/null
+
+jq . "${COMPOSE_INFO}"
+
+# Did the compose finish with success?
+if [[ $COMPOSE_STATUS == FINISHED ]]; then
+    echo "Test passed!"
+    exit 0
+else
+    echo "Something went wrong with the compose. 😢"
+    exit 1
+fi