diff --git a/lib/roken/simple_exec_w32.c b/lib/roken/simple_exec_w32.c
index 5163fc253..264cdb2e9 100644
--- a/lib/roken/simple_exec_w32.c
+++ b/lib/roken/simple_exec_w32.c
@@ -184,6 +184,7 @@ collect_commandline(const char * fn, va_list * ap)
 		    free(cmd);
 		return NULL;
 	    }
+	    cmd = nc;
 	}
 
 	if (cmd == NULL)