diff --git a/dmd2/mars.c b/dmd2/mars.c
index 5dbc2aaa..eb0d0d78 100644
--- a/dmd2/mars.c
+++ b/dmd2/mars.c
@@ -346,7 +346,6 @@ int main(int argc, char *argv[])
 #elif defined (__SVR4) && defined (__sun)
     global.params.os = OSSolaris;
 #else
-#else
 #error Unsupported OS
 #endif /* linux */