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 2d6567094b..a02edd15a3 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
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.query.change;
 
-import static com.google.gerrit.server.index.change.ChangeField.FUZZY_TOPIC;
+import static com.google.gerrit.server.index.change.ChangeField.EXACT_TOPIC;
 
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gwtorm.server.OrmException;
@@ -26,7 +26,7 @@ class RegexTopicPredicate extends ChangeRegexPredicate {
   private final RunAutomaton pattern;
 
   RegexTopicPredicate(String re) {
-    super(FUZZY_TOPIC, re);
+    super(EXACT_TOPIC, 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 0c658bf972..caf8238025 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
@@ -507,6 +507,8 @@ public abstract class AbstractQueryChangesTest extends GerritServerTests {
     assertQuery("intopic:fixup", change4);
     assertQuery("topic:\"\"", change5);
     assertQuery("intopic:\"\"", change5);
+    assertQuery("intopic:^feature2.*", change4, change2);
+    assertQuery("intopic:{^.*feature2$}", change3, change2);
   }
 
   @Test