diff --git a/package/dlib/Config.in b/package/dlib/Config.in
index 2419af967b..7862f8d074 100644
--- a/package/dlib/Config.in
+++ b/package/dlib/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_DLIB
 	bool "dlib"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_WCHAR
 	help
 	  Dlib is a modern C++ toolkit containing machine learning
 	  algorithms and tools for creating complex software in C++ to
@@ -9,6 +10,7 @@ config BR2_PACKAGE_DLIB
 
 	  http://dlib.net
 
-comment "dlib needs a toolchain w/ C++, threads"
+comment "dlib needs a toolchain w/ C++, threads, wchar"
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_HAS_THREADS
+		!BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_USE_WCHAR