diff --git a/Makefile.inc1 b/Makefile.inc1
index 1c34918fa52e..d292ea97d621 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1108,10 +1108,10 @@ _prereq_libs= gnu/lib/libssp/libssp_nonshared gnu/lib/libgcc
 # all shared libraries for ELF.
 #
 _startup_libs=	gnu/lib/csu
-.if exists(${.CURDIR}/lib/csu/${MACHINE_ARCH}-elf)
-_startup_libs+=	lib/csu/${MACHINE_ARCH}-elf
+.if exists(${.CURDIR}/lib/csu/${MACHINE_CPUARCH}-elf)
+_startup_libs+=	lib/csu/${MACHINE_CPUARCH}-elf
 .else
-_startup_libs+=	lib/csu/${MACHINE_ARCH}
+_startup_libs+=	lib/csu/${MACHINE_CPUARCH}
 .endif
 _startup_libs+=	gnu/lib/libgcc
 _startup_libs+=	lib/libc