diff --git a/telldus-core/tdtool/main.cpp b/telldus-core/tdtool/main.cpp
index 8304d443..5f31a902 100644
--- a/telldus-core/tdtool/main.cpp
+++ b/telldus-core/tdtool/main.cpp
@@ -5,6 +5,10 @@
 #include <ctime>
 #include "../client/telldus-core.h"
 
+#ifdef _WINDOWS
+#define strcasecmp _stricmp
+#endif
+
 const int SUPPORTED_METHODS =
 	TELLSTICK_TURNON |
 	TELLSTICK_TURNOFF |