diff --git a/package/bullet/Config.in b/package/bullet/Config.in
index 1f632b8931..0c420e8212 100644
--- a/package/bullet/Config.in
+++ b/package/bullet/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_BULLET
 	bool "bullet"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on !BR2_STATIC_LIBS # dlfcn.h
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_WCHAR
 	help
 	  Bullet is a Collision Detection and Rigid Body Dynamics
@@ -9,6 +10,6 @@ config BR2_PACKAGE_BULLET
 
 	  http://bulletphysics.org
 
-comment "bullet needs a toolchain w/ C++, dynamic library, wchar"
+comment "bullet needs a toolchain w/ C++, dynamic library, threads, wchar"
 	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS || \
-		!BR2_USE_WCHAR
+		!BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR