diff --git a/package/trinity/Config.in b/package/trinity/Config.in
index 0ce1f9aa27..0fc737e28f 100644
--- a/package/trinity/Config.in
+++ b/package/trinity/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_TRINITY_ARCH_SUPPORTS
 	bool
 	default y
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # __sync_val_compare_and_swap_4
 	depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 || \
 		BR2_mips || BR2_mipsel || BR2_powerpc || BR2_powerpc64 || \
 		BR2_powerpc64le || BR2_sparc || BR2_x86_64