diff --git a/package/jamvm/Config.in b/package/jamvm/Config.in
index f4809957cf..375bded624 100644
--- a/package/jamvm/Config.in
+++ b/package/jamvm/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_JAMVM
 	bool "jamvm"
 	depends on BR2_INET_IPV6
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_x86_64 \
 		|| BR2_mips || BR2_mipsel || BR2_powerpc
 	select BR2_PACKAGE_ZLIB
@@ -11,7 +12,8 @@ config BR2_PACKAGE_JAMVM
 
 	  http://jamvm.sf.net
 
-comment "jamvm needs a toolchain w/ IPv6"
+comment "jamvm needs a toolchain w/ IPv6, threads"
 	depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_x86_64 \
 		|| BR2_mips || BR2_mipsel || BR2_powerpc
 	depends on !BR2_INET_IPV6
+	depends on !BR2_TOOLCHAIN_HAS_THREADS