diff --git a/src/ns_turn_defs.h b/src/ns_turn_defs.h
index 261bcf5..e025d14 100644
--- a/src/ns_turn_defs.h
+++ b/src/ns_turn_defs.h
@@ -33,7 +33,7 @@
 
 #define TURN_SERVER_VERSION "4.0.1.3"
 #define TURN_SERVER_VERSION_NAME "Severard"
-#define TURN_SOFTWARE "Coturn-"TURN_SERVER_VERSION" '"TURN_SERVER_VERSION_NAME"'"
+#define TURN_SOFTWARE "Coturn-" TURN_SERVER_VERSION " '" TURN_SERVER_VERSION_NAME "'"
 
 #if (defined(__unix__) || defined(unix)) && !defined(USG)
 #include <sys/param.h>