1 files changed, 2 insertions, 1 deletions
diff --git a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/ExpressionFunction.java b/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/ExpressionFunction.java
index 171151bfdf4..c7d69d7a36a 100755
--- a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/ExpressionFunction.java
+++ b/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/ExpressionFunction.java
@@ -10,6 +10,7 @@ import com.yahoo.searchlib.rankingexpression.rule.ReferenceNode;
 import com.yahoo.searchlib.rankingexpression.rule.SerializationContext;
 import com.yahoo.tensor.TensorType;
 import com.yahoo.text.Utf8;
+import static com.yahoo.searchlib.rankingexpression.Reference.wrapInRankingExpression;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -142,7 +143,7 @@ public class ExpressionFunction {
             if (shouldGenerateFeature(expr)) {
                 String funcName = "autogenerated_ranking_feature@" + Long.toHexString(symbolCode(key + "=" + binding));
                 context.addFunctionSerialization(RankingExpression.propertyName(funcName), binding);
-                binding = "rankingExpression(" + funcName + ")";
+                binding = wrapInRankingExpression(funcName);
             }
             argumentBindings.put(key, binding);
         }