diff --git a/shield/src/main/java/org/elasticsearch/shield/authc/pki/PkiRealm.java b/shield/src/main/java/org/elasticsearch/shield/authc/pki/PkiRealm.java
index df146a5dc54..039551951a9 100644
--- a/shield/src/main/java/org/elasticsearch/shield/authc/pki/PkiRealm.java
+++ b/shield/src/main/java/org/elasticsearch/shield/authc/pki/PkiRealm.java
@@ -5,7 +5,7 @@
  */
 package org.elasticsearch.shield.authc.pki;
 
-import com.google.common.base.Strings;
+import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.logging.ESLogger;
 import org.elasticsearch.common.settings.Settings;