diff --git a/build_teaspeak.sh b/build_teaspeak.sh
index 670f9d8..574cf38 100755
--- a/build_teaspeak.sh
+++ b/build_teaspeak.sh
@@ -2,27 +2,27 @@
 _build_helper_dir="$(pwd)/build-helpers"
 
 _build_type="Debug"
-if [[ -n "${params.build_type}" ]]; then
+if [[ -n "${BUILD_TYPE}" ]]; then
     echo "This is an automated jenkins build. Initializing variables."
 
-    if [[ "${params.build_type}" == "debug" ]]; then
+    if [[ "${BUILD_TYPE}" == "debug" ]]; then
         echo "Initializing debug session."
         export _build_type="Debug"
         # shellcheck disable=SC2089
         export TEASPEAK_DEPLOY_TYPE_SPECIFIER="-DBUILD_TYPE=1 -DBUILD_TYPE_NAME=\"beta\""
-    elif [[ "${params.build_type}" == "optimized" ]]; then
+    elif [[ "${BUILD_TYPE}" == "optimized" ]]; then
         echo "Initializing optimized session."
         export _build_type="RelWithDebInfo"
         # shellcheck disable=SC2089
         export TEASPEAK_DEPLOY_TYPE_SPECIFIER="-DBUILD_TYPE=1 -DBUILD_TYPE_NAME=\"beta\""
-    elif [[ "${params.build_type}" == "stable" ]]; then
+    elif [[ "${BUILD_TYPE}" == "stable" ]]; then
         echo "Initializing stable session."
         export _build_type="RelWithDebInfo"
         # shellcheck disable=SC2089
         export TEASPEAK_DEPLOY_TYPE_SPECIFIER="-DBUILD_TYPE=0 -DBUILD_TYPE_NAME=\"\""
 
     else
-        echo "Unknown target build type: ${params.build_type}"
+        echo "Unknown target build type: ${BUILD_TYPE}"
         exit 1
     fi
 fi