diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index 49823fe885..93a223b7ae 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -72,6 +72,7 @@ config BR2_x86_pentium_m
 	depends on !BR2_x86_64
 	select BR2_X86_CPU_HAS_MMX
 	select BR2_X86_CPU_HAS_SSE
+	select BR2_X86_CPU_HAS_SSE2
 config BR2_x86_pentium2
 	bool "pentium2"
 	depends on !BR2_x86_64