diff --git a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
index b69fa04..4f5954b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
@@ -84,8 +84,8 @@
   // These keys are used for turning on specific validation elements.
   // i.e. enableSkipValidation = blockedKeyword will enabled skipRef and skipGroup checks
   // i.e. disabledValidation = blockedKeywordComments will disable the comment blocked keyword check
-  private static final String KEY_CHECK_BLOCKED_KEYWORD = "blockedKeyword";
-  private static final String KEY_CHECK_COMMENT_BLOCKED_KEYWORD = "blockedKeywordComments";
+  public static final String KEY_CHECK_BLOCKED_KEYWORD = "blockedKeyword";
+  public static final String KEY_CHECK_COMMENT_BLOCKED_KEYWORD = "blockedKeywordComments";
   private static final String KEY_CHECK_BLOCKED_KEYWORD_PATTERN =
       KEY_CHECK_BLOCKED_KEYWORD + "Pattern";
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/PluginConfigValidator.java b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/PluginConfigValidator.java
index d9cc872..61a47b7 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/PluginConfigValidator.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/PluginConfigValidator.java
@@ -136,6 +136,14 @@
     validationMessages.addAll(
         validateRegex(fileName, cfg, ChangeEmailValidator.KEY_ALLOWED_COMMITTER_EMAIL_PATTERN));
     validationMessages.addAll(
+        validateRegex(fileName, cfg, ContentTypeValidator.KEY_BLOCKED_CONTENT_TYPE));
+    validationMessages.addAll(
+        validateRegex(fileName, cfg, BlockedKeywordValidator.KEY_CHECK_BLOCKED_KEYWORD));
+    validationMessages.addAll(
+        validateRegex(fileName, cfg, BlockedKeywordValidator.KEY_CHECK_COMMENT_BLOCKED_KEYWORD));
+    validationMessages.addAll(
+        validateRegex(fileName, cfg, InvalidFilenameValidator.KEY_INVALID_FILENAME));
+    validationMessages.addAll(
         validateInteger(fileName, cfg, MaxPathLengthValidator.KEY_MAX_PATH_LENGTH));
     return validationMessages.build();
   }