diff --git a/arch/Config.in.sparc b/arch/Config.in.sparc
index 21e83f7c82..657c8259af 100644
--- a/arch/Config.in.sparc
+++ b/arch/Config.in.sparc
@@ -23,6 +23,9 @@ config BR2_ARCH
 config BR2_ENDIAN
 	default "BIG"
 
+config BR2_ARCH_HAS_ATOMICS
+	default y
+
 config BR2_GCC_TARGET_TUNE
 	default "v8"		if BR2_sparc_v8