diff --git a/action.yml b/action.yml
index 4c548769..b1824a0f 100644
--- a/action.yml
+++ b/action.yml
@@ -50,6 +50,10 @@ inputs:
   base_sha:
     description: "Specify a base commit SHA on used for comparing changes"
     required: false
+  since_last_remote_commit:
+    description: "Use the last commit on the remote branch as the base_sha for push event."
+    required: false
+    default: "false"
   since:
     description: "Get changed files for commits whose timestamp is older than the given time"
     required: false
@@ -160,6 +164,7 @@ runs:
         INPUT_BASE_SHA: ${{ inputs.base_sha }}
         INPUT_SHA: ${{ inputs.sha }}
         INPUT_PATH: ${{ inputs.path }}
+        INPUT_SINCE_LAST_REMOTE_COMMIT: ${{ inputs.since_last_remote_commit }}
     - run: |
         # "Calculate the sha..."
         bash $GITHUB_ACTION_PATH/get-sha.sh
diff --git a/get-base-sha.sh b/get-base-sha.sh
index 9cd65e77..e9424043 100644
--- a/get-base-sha.sh
+++ b/get-base-sha.sh
@@ -21,7 +21,7 @@ if [[ -n "$INPUT_SINCE" ]]; then
   echo "::set-output name=base_sha::$BASE_SHA"
 elif [[ -n "$INPUT_BASE_SHA" ]]; then
   echo "::set-output name=base_sha::$INPUT_BASE_SHA"
-else
+elif [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
   LAST_REMOTE_COMMIT="$GITHUB_EVENT_BEFORE"
 
   if [[ -z "$LAST_REMOTE_COMMIT" || "$LAST_REMOTE_COMMIT" == "0000000000000000000000000000000000000000" ]]; then