diff --git a/package/cppzmq/Config.in b/package/cppzmq/Config.in
index 9629383f2..e17963ecf 100644
--- a/package/cppzmq/Config.in
+++ b/package/cppzmq/Config.in
@@ -11,6 +11,6 @@ config BR2_PACKAGE_CPPZMQ
 
 	  http://github.com/zeromq/cppzmq
 
-comment "cppzmq needs a toolchain w/ C++, IPv6, largefile, wchar"
+comment "cppzmq needs a toolchain w/ C++, IPv6, largefile, wchar, threads"
 	depends on !(BR2_INSTALL_LIBSTDCPP && BR2_INET_IPV6 && BR2_LARGEFILE \
 		&& BR2_USE_WCHAR && BR2_TOOLCHAIN_HAS_THREADS)
diff --git a/package/czmq/Config.in b/package/czmq/Config.in
index 9ba5e65c3..d44229368 100644
--- a/package/czmq/Config.in
+++ b/package/czmq/Config.in
@@ -15,6 +15,6 @@ config BR2_PACKAGE_CZMQ
 
 	  http://czmq.zeromq.org/
 
-comment "czmq needs a toolchain w/ C++, IPv6, largefile, wchar"
+comment "czmq needs a toolchain w/ C++, IPv6, largefile, wchar, threads"
 	depends on !(BR2_INSTALL_LIBSTDCPP && BR2_INET_IPV6 && BR2_LARGEFILE \
 		&& BR2_USE_WCHAR && BR2_TOOLCHAIN_HAS_THREADS)