diff --git a/data-prepper-plugins/saas-source-plugins/microsoft-office365-source/src/main/java/org/opensearch/dataprepper/plugins/source/microsoft_office365/utils/Constants.java b/data-prepper-plugins/saas-source-plugins/microsoft-office365-source/src/main/java/org/opensearch/dataprepper/plugins/source/microsoft_office365/utils/Constants.java
index f9d0dbb207..68ddd0b618 100644
--- a/data-prepper-plugins/saas-source-plugins/microsoft-office365-source/src/main/java/org/opensearch/dataprepper/plugins/source/microsoft_office365/utils/Constants.java
+++ b/data-prepper-plugins/saas-source-plugins/microsoft-office365-source/src/main/java/org/opensearch/dataprepper/plugins/source/microsoft_office365/utils/Constants.java
@@ -14,7 +14,7 @@
  * The type Constants.
  */
 public class Constants {
-    public static final String PLUGIN_NAME = "microsoft-office365";
+    public static final String PLUGIN_NAME = "microsoft_office365";
     public static final String[] CONTENT_TYPES = {
             "Audit.AzureActiveDirectory",
             "Audit.Exchange",