diff --git a/pipeline/frontend/drone_compatibility.go b/pipeline/frontend/drone_compatibility.go
new file mode 100644
index 000000000..8e6d6d2c4
--- /dev/null
+++ b/pipeline/frontend/drone_compatibility.go
@@ -0,0 +1,59 @@
+// Copyright 2022 Woodpecker Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package frontend
+
+// setDroneEnviron set dedicated to DroneCI environment vars as compatibility layer
+func (m *Metadata) setDroneEnviron(env map[string]string) {
+	// webhook
+	env["DRONE_BRANCH"] = env["CI_COMMIT_BRANCH"]
+	env["DRONE_PULL_REQUEST"] = env["CI_COMMIT_PULL_REQUEST"]
+	env["DRONE_TAG"] = env["CI_COMMIT_TAG"]
+	env["DRONE_SOURCE_BRANCH"] = env["CI_COMMIT_SOURCE_BRANCH"]
+	env["DRONE_TARGET_BRANCH"] = env["CI_COMMIT_TARGET_BRANCH"]
+	// build
+	env["DRONE_BUILD_NUMBER"] = env["CI_BUILD_NUMBER"]
+	env["DRONE_BUILD_PARENT"] = env["CI_BUILD_PARENT"]
+	env["DRONE_BUILD_EVENT"] = env["CI_BUILD_EVENT"]
+	env["DRONE_BUILD_STATUS"] = env["CI_BUILD_STATUS"]
+	env["DRONE_BUILD_LINK"] = env["CI_BUILD_LINK"]
+	env["DRONE_BUILD_CREATED"] = env["CI_BUILD_CREATED"]
+	env["DRONE_BUILD_STARTED"] = env["CI_BUILD_STARTED"]
+	env["DRONE_BUILD_FINISHED"] = env["CI_BUILD_FINISHED"]
+	// commit
+	env["DRONE_COMMIT"] = env["CI_COMMIT_SHA"]
+	env["DRONE_COMMIT_BEFORE"] = env["CI_PREV_COMMIT_SHA"]
+	env["DRONE_COMMIT_REF"] = env["CI_COMMIT_REF"]
+	env["DRONE_COMMIT_BRANCH"] = env["CI_COMMIT_BRANCH"]
+	env["DRONE_COMMIT_LINK"] = env["CI_COMMIT_LINK"]
+	env["DRONE_COMMIT_MESSAGE"] = env["CI_COMMIT_MESSAGE"]
+	env["DRONE_COMMIT_AUTHOR"] = env["CI_COMMIT_AUTHOR"]
+	env["DRONE_COMMIT_AUTHOR_NAME"] = env["CI_COMMIT_AUTHOR"]
+	env["DRONE_COMMIT_AUTHOR_EMAIL"] = env["CI_COMMIT_AUTHOR_EMAIL"]
+	env["DRONE_COMMIT_AUTHOR_AVATAR"] = env["CI_COMMIT_AUTHOR_AVATAR"]
+	// repo
+	env["DRONE_REPO"] = env["CI_REPO"]
+	env["DRONE_REPO_SCM"] = env["CI_REPO_SCM"]
+	env["DRONE_REPO_OWNER"] = env["CI_REPO_OWNER"]
+	env["DRONE_REPO_NAME"] = env["CI_REPO_NAME"]
+	env["DRONE_REPO_LINK"] = env["CI_REPO_LINK"]
+	env["DRONE_REPO_BRANCH"] = env["CI_REPO_DEFAULT_BRANCH"]
+	env["DRONE_REPO_PRIVATE"] = env["CI_REPO_PRIVATE"]
+	// clone
+	env["DRONE_REMOTE_URL"] = env["CI_REPO_REMOTE"]
+	env["DRONE_GIT_HTTP_URL"] = env["CI_REPO_REMOTE"]
+	// misc
+	env["DRONE_SYSTEM_HOST"] = env["CI_SYSTEM_HOST"]
+	env["DRONE_STEP_NUMBER"] = env["CI_JOB_NUMBER"]
+}
diff --git a/pipeline/frontend/metadata.go b/pipeline/frontend/metadata.go
index dfa621f46..360e7add5 100644
--- a/pipeline/frontend/metadata.go
+++ b/pipeline/frontend/metadata.go
@@ -1,3 +1,17 @@
+// Copyright 2022 Woodpecker Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package frontend
 
 import (
@@ -197,6 +211,8 @@ func (m *Metadata) Environ() map[string]string {
 		params["CI_COMMIT_PULL_REQUEST"] = pullRegexp.FindString(m.Curr.Commit.Ref)
 	}
 
+	m.setDroneEnviron(params)
+
 	return params
 }