diff --git a/java/com/google/gerrit/server/LibModuleLoader.java b/java/com/google/gerrit/server/LibModuleLoader.java
index e31bf8d..55eda8b 100644
--- a/java/com/google/gerrit/server/LibModuleLoader.java
+++ b/java/com/google/gerrit/server/LibModuleLoader.java
@@ -16,6 +16,7 @@
 
 import static java.util.stream.Collectors.toList;
 
+import com.google.common.collect.ImmutableMap;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.index.options.AutoFlush;
@@ -58,7 +59,7 @@
       Method m =
           clazz.getMethod(
               "singleVersionWithExplicitVersions",
-              com.google.common.collect.ImmutableMap.class,
+              ImmutableMap.class,
               int.class,
               boolean.class,
               AutoFlush.class);