diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 1ff6ad4f6cd2..210c60d3d4cc 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -32,6 +32,8 @@ else
     BOOTAR := $(AR)
 endif
 
+BOOTTARGETFLAGS	+= -std=gnu11
+
 ifdef CONFIG_PPC64_BOOT_WRAPPER
 BOOTTARGETFLAGS	+= -m64
 BOOTTARGETFLAGS	+= -mabi=elfv2