diff --git a/lib/external-image-api/service.ts b/lib/external-image-api/service.ts
index 7546e447b..46c7acf6f 100644
--- a/lib/external-image-api/service.ts
+++ b/lib/external-image-api/service.ts
@@ -477,7 +477,7 @@ function filterCompatibleCandidates(
 
   if (filteredCandidates.length > 0) {
     logger.debug(
-      `[External Image API] Filtered ${filteredCandidates.length} request-incompatible candidates (referenceImageCount=${params.referenceImageCount}, aspectRatio=${params.aspectRatio || "auto"}, imageSize=${params.imageSize || "default")} reason=${reason || "compatibility"}`,
+      `[External Image API] Filtered ${filteredCandidates.length} request-incompatible candidates (referenceImageCount=${params.referenceImageCount}, aspectRatio=${params.aspectRatio || "auto"}, imageSize=${params.imageSize || "default"}, reason=${reason || "compatibility"})`,
     );
   }