diff --git a/lib/LogVisor.cpp b/lib/LogVisor.cpp
index 79fce92..95fda95 100644
--- a/lib/LogVisor.cpp
+++ b/lib/LogVisor.cpp
@@ -73,7 +73,7 @@ struct ConsoleLogger : public ILogger
         if (!Term)
         {
             Term = getenv("TERM");
-            if (!strncmp(Term, "xterm", 5))
+            if (Term && !strncmp(Term, "xterm", 5))
             {
                 XtermColor = true;
                 putenv((char*)"TERM=xterm-16color");