[pzstd] Fix invalid argument message

diff --git a/contrib/pzstd/Options.cpp b/contrib/pzstd/Options.cpp
index 055a07907e8e7dda60fc30297e0c0e70d7c63f83..5562ee18f71f0de18543fde23db175b612947d8c 100644 (file)
--- a/contrib/pzstd/Options.cpp
+++ b/contrib/pzstd/Options.cpp
@@ -293,7 +293,7 @@ Options::Status Options::parse(int argc, const char **argv) {
         notSupported("Zstd benchmarking options.");
         return Status::Failure;
       default:
-        std::fprintf(stderr, "Invalid argument: -%c\n", *options);
+        std::fprintf(stderr, "Invalid argument: %s\n", arg);
         return Status::Failure;
       }
       if (!finished) {