diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9c6db986001a..749aa99845da7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -101,6 +101,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Removed
 
 ### Fixed
+-  Fixing error: adding a new/forgotten parameter to the configuration for checking the config on startup in plugins/repository-s3 #7924 
 
 ### Security
 
diff --git a/plugins/repository-s3/src/internalClusterTest/java/org/opensearch/repositories/s3/S3BlobStoreRepositoryTests.java b/plugins/repository-s3/src/internalClusterTest/java/org/opensearch/repositories/s3/S3BlobStoreRepositoryTests.java
index dd19320ae1255..1bbc973dd712f 100644
--- a/plugins/repository-s3/src/internalClusterTest/java/org/opensearch/repositories/s3/S3BlobStoreRepositoryTests.java
+++ b/plugins/repository-s3/src/internalClusterTest/java/org/opensearch/repositories/s3/S3BlobStoreRepositoryTests.java
@@ -140,6 +140,7 @@ protected Settings nodeSettings(int nodeOrdinal) {
             .put(S3ClientSettings.DISABLE_CHUNKED_ENCODING.getConcreteSettingForNamespace("test").getKey(), true)
             // Disable request throttling because some random values in tests might generate too many failures for the S3 client
             .put(S3ClientSettings.USE_THROTTLE_RETRIES_SETTING.getConcreteSettingForNamespace("test").getKey(), false)
+            .put(S3ClientSettings.PROXY_TYPE_SETTING.getConcreteSettingForNamespace("test").getKey(), ProxySettings.ProxyType.DIRECT)
             .put(super.nodeSettings(nodeOrdinal))
             .setSecureSettings(secureSettings);
 
diff --git a/plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3RepositoryPlugin.java b/plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3RepositoryPlugin.java
index 077c60a83f513..828bf85fd7889 100644
--- a/plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3RepositoryPlugin.java
+++ b/plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3RepositoryPlugin.java
@@ -104,6 +104,7 @@ public List<Setting<?>> getSettings() {
             S3ClientSettings.SESSION_TOKEN_SETTING,
             S3ClientSettings.ENDPOINT_SETTING,
             S3ClientSettings.PROTOCOL_SETTING,
+            S3ClientSettings.PROXY_TYPE_SETTING,
             S3ClientSettings.PROXY_HOST_SETTING,
             S3ClientSettings.PROXY_PORT_SETTING,
             S3ClientSettings.PROXY_USERNAME_SETTING,