diff --git a/src/system/kernel/arch/x86/Jamfile b/src/system/kernel/arch/x86/Jamfile
index 3941e18b5c..ee6d93b525 100644
--- a/src/system/kernel/arch/x86/Jamfile
+++ b/src/system/kernel/arch/x86/Jamfile
@@ -17,6 +17,8 @@ SEARCH_SOURCE += [ FDirName $(SUBDIR) timers ] ;
 
 local archSpecificSources ;
 if $(TARGET_ARCH) = x86_64 {
+	SubDirC++Flags -std=gnu++11 ;
+
 	SEARCH_SOURCE += [ FDirName $(SUBDIR) 64 ] ;
 	SEARCH_SOURCE += [ FDirName $(SUBDIR) paging 64bit ] ;