diff --git a/scp.c b/scp.c
index 0526fe70..1b28b972 100644
--- a/scp.c
+++ b/scp.c
@@ -5322,13 +5322,14 @@ if (flag) {
     cpp = "C";
 #endif
 #if !defined (SIM_BUILD_OS)
-#define SIM_BUILD_OS
-#endif
+    fprintf (st, "\n        Simulator Compiled as %s%s%s on %s at %s", cpp, arch, build, __DATE__, __TIME__);
+#else
 #define S_xstr(a) S_str(a)
 #define S_str(a) #a
-    fprintf (st, "\n        Simulator Compiled as %s%s%s on %s at %s%s", cpp, arch, build, __DATE__, __TIME__, S_xstr(SIM_BUILD_OS));
+    fprintf (st, "\n        Simulator Compiled as %s%s%s on %s at %s %s", cpp, arch, build, __DATE__, __TIME__, S_xstr(SIM_BUILD_OS));
 #undef S_str
 #undef S_xstr
+#endif
 #endif
     fprintf (st, "\n        Memory Access: %s Endian", sim_end ? "Little" : "Big");
     fprintf (st, "\n        Memory Pointer Size: %d bits", (int)sizeof(dptr)*8);