diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 517850d992..b0e76aeeee 100644
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -217,6 +217,11 @@ extern "C"
 #define strncasecmp strnicmp
 #endif
 
+#ifdef __WATCOMC__
+#define strcasecmp stricmp
+#define strncasecmp strnicmp
+#endif
+
 wxChar *
 copystring (const wxChar *s)
 {