diff --git a/package/hiawatha/Config.in b/package/hiawatha/Config.in
index ac0aa10..fbed1bc 100644
--- a/package/hiawatha/Config.in
+++ b/package/hiawatha/Config.in
@@ -1,7 +1,11 @@
+comment "hiawatha requires a toolchain with thread support"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS
+
 config BR2_PACKAGE_HIAWATHA
 	bool "hiawatha"
 	# needs fork()
 	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  Hiawatha is a webserver for Unix and has been built with
 	  security in mind. This resulted in a highly secure
