diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/RegexTopicPredicate.java b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/RegexTopicPredicate.java
index de7005f..fecc72e 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/query/change/RegexTopicPredicate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/query/change/RegexTopicPredicate.java
@@ -26,7 +26,7 @@
   private final RunAutomaton pattern;
 
   RegexTopicPredicate(Schema<ChangeData> schema, String re) {
-    super(FuzzyTopicPredicate.topicField(schema), re);
+    super(ExactTopicPredicate.topicField(schema), re);
 
     if (re.startsWith("^")) {
       re = re.substring(1);
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
index 1d7a1ae..db6301d 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
@@ -542,6 +542,8 @@
     assertQuery("intopic:fixup", change4);
     assertQuery("topic:\"\"", change5);
     assertQuery("intopic:\"\"", change5);
+    assertQuery("intopic:^feature2.*", change4, change2);
+    assertQuery("intopic:{^.*feature2$}", change3, change2);
   }
 
   @Test