diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
index 92c0135..dcf9500 100644
--- a/.github/workflows/qa.yml
+++ b/.github/workflows/qa.yml
@@ -141,4 +141,22 @@ jobs:
       - name: Assert
         run: |
           ./test/assertFileContains ./output.properties "sonar.verbose=true"
-
+  overrideSonarcloudUrlTest:
+    name: >
+      'SONARCLOUD_URL' is used
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Run action with SONARCLOUD_URL
+        uses: ./
+        with:
+          args: -Dsonar.scanner.internal.dumpToFile=./output.properties
+        env:
+          SONARCLOUD_URL: mirror.sonarcloud.io
+          SONAR_TOKEN: FAKE_TOKEN
+      - name: Assert
+        run: |
+          ./test/assertFileContains ./output.properties "sonar.host.url=mirror.sonarcloud.io"
+          ./test/assertFileContains ./output.properties "sonar.scanner.sonarcloudUrl=mirror.sonarcloud.io"
diff --git a/Dockerfile b/Dockerfile
index 05ec9e7..3cc91c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM sonarsource/sonar-scanner-cli:11.0
+FROM sonarsource/sonar-scanner-cli:11.1
 
-LABEL version="3.0.0" \
+LABEL version="3.1.0" \
       repository="https://github.com/sonarsource/sonarcloud-github-action" \
       homepage="https://github.com/sonarsource/sonarcloud-github-action" \
       maintainer="SonarSource" \
diff --git a/entrypoint.sh b/entrypoint.sh
index 9cd1c40..d8e59e0 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-set -e
+set -eo pipefail
+
+declare -a args=()
 
 if [[ -z "${SONAR_TOKEN}" ]]; then
   echo "Set the SONAR_TOKEN env variable."
@@ -17,14 +19,16 @@ if [[ -f "${INPUT_PROJECTBASEDIR%/}/build.gradle" || -f "${INPUT_PROJECTBASEDIR%
   to get more accurate results."
 fi
 
-if [[ -z "${SONARCLOUD_URL}" ]]; then
-  SONARCLOUD_URL="https://sonarcloud.io"
+if [[ ${SONARCLOUD_URL} ]]; then
+  args+=("-Dsonar.scanner.sonarcloudUrl=${SONARCLOUD_URL}")
 fi
 
-debug_flag=''
 if [[ "$RUNNER_DEBUG" == '1' ]]; then
-  debug_flag=' --debug '
+  args+=("--debug")
 fi
 
 unset JAVA_HOME
-sonar-scanner $debug_flag -Dsonar.projectBaseDir=${INPUT_PROJECTBASEDIR} -Dsonar.host.url=${SONARCLOUD_URL} ${INPUT_ARGS}
+
+args+=("-Dsonar.projectBaseDir=${INPUT_PROJECTBASEDIR}")
+
+sonar-scanner "${args[@]}" ${INPUT_ARGS}
diff --git a/test/assertFileContains b/test/assertFileContains
index 69380e1..88a5dd2 100755
--- a/test/assertFileContains
+++ b/test/assertFileContains
@@ -1,10 +1,13 @@
 #!/bin/bash
 
+set -eo pipefail
+
 error() { echo -e "\\e[31m✗ $*\\e[0m"; }
 
-assertFileExists $1
+. ${BASH_SOURCE%/*}/assertFileExists $1
 
 if ! grep -q $2 $1; then
   error "'$2' not found in '$1'"
+  cat $1
   exit 1
 fi
\ No newline at end of file
diff --git a/test/assertFileExists b/test/assertFileExists
index 8f04686..1b7f79a 100755
--- a/test/assertFileExists
+++ b/test/assertFileExists
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -eo pipefail
+
 error() { echo -e "\\e[31m✗ $*\\e[0m"; }
 
 if [ ! -f $1 ]; then