1 files changed, 2 insertions, 2 deletions
diff --git a/source/utility/make_versioned_json.cpp b/source/utility/make_versioned_json.cpp
index 560f532..478e7f6 100644
--- a/source/utility/make_versioned_json.cpp
+++ b/source/utility/make_versioned_json.cpp
@@ -6,7 +6,7 @@ using namespace Star;
 int main(int argc, char** argv) {
   try {
     if (argc != 3) {
-      coutf("Usage, %s <versioned_json_json> <versioned_json_binary>\n", argv[0]);
+      coutf("Usage, {} <versioned_json_json> <versioned_json_binary>\n", argv[0]);
       return -1;
     }
 
@@ -14,7 +14,7 @@ int main(int argc, char** argv) {
     VersionedJson::writeFile(versionedJson, argv[2]);
     return 0;
   } catch (std::exception const& e) {
-    coutf("Error! Caught exception %s\n", outputException(e, true));
+    coutf("Error! Caught exception {}\n", outputException(e, true));
     return 1;
   }
 }