1 files changed, 5 insertions, 5 deletions
diff --git a/config-model/src/main/java/com/yahoo/vespa/model/application/validation/RankSetupValidator.java b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/RankSetupValidator.java
index 776ee675ffd..7049213ddab 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/application/validation/RankSetupValidator.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/RankSetupValidator.java
@@ -99,11 +99,11 @@ public class RankSetupValidator extends Validator {
                 // Give up, don't say same error msg repeatedly
                 deleteTempDir(tempDir);
             }
-            log.log(Level.FINE, String.format("Validating %s for %s, %s took %s ms",
-                                                  sdName,
-                                                  searchCluster,
-                                                  configId,
-                                                  Duration.between(start, Instant.now()).toMillis()));
+            log.log(Level.FINE, () -> String.format("Validating %s for %s, %s took %s ms",
+                                                    sdName,
+                                                    searchCluster,
+                                                    configId,
+                                                    Duration.between(start, Instant.now()).toMillis()));
             return ret;
         } catch (IllegalArgumentException e) {
             deleteTempDir(tempDir);