diff --git a/lib/cpp/src/thrift/server/TNonblockingServer.cpp b/lib/cpp/src/thrift/server/TNonblockingServer.cpp
index 12b4b8f..7902776 100644
--- a/lib/cpp/src/thrift/server/TNonblockingServer.cpp
+++ b/lib/cpp/src/thrift/server/TNonblockingServer.cpp
@@ -477,7 +477,7 @@
       // Don't allow giant frame sizes.  This prevents bad clients from
       // causing us to try and allocate a giant buffer.
       GlobalOutput.printf("TNonblockingServer: frame size too large "
-                          "(%"PRIu32" > %"PRIu64") from client %s. "
+                          "(%" PRIu32 " > %" PRIu64 ") from client %s. "
                           "Remote side not using TFramedTransport?",
                           readWant_,
                           (uint64_t)server_->getMaxFrameSize(),