1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/config/BuildOptions.java b/src/main/java/com/google/devtools/build/lib/analysis/config/BuildOptions.java
index 5fc56d8058..e4db5a4ebe 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/config/BuildOptions.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/config/BuildOptions.java
@@ -797,7 +797,10 @@ public final class BuildOptions implements Cloneable, Serializable {
     public OptionsDiffForReconstruction getOptionsDiffFromBytes(ByteString bytes) {
       return Preconditions.checkNotNull(
           byteStringToDiffMap.get(bytes),
-          "Missing bytes " + bytes + ": " + diffToByteStringCache + ", " + byteStringToDiffMap);
+          "Missing bytes %s: %s %s",
+          bytes,
+          diffToByteStringCache,
+          byteStringToDiffMap);
     }
   }
 }