diff --git a/package/cvs/Config.in b/package/cvs/Config.in
index 2e61834c81..f9d5955f47 100644
--- a/package/cvs/Config.in
+++ b/package/cvs/Config.in
@@ -12,3 +12,6 @@ config BR2_PACKAGE_CVS_SERVER
 	depends on BR2_PACKAGE_CVS
 	help
 	  Enable cvs server code
+
+comment "cvs requires a toolchain with WCHAR support"
+	depends on !BR2_USE_WCHAR