diff --git a/Makefile.inc1 b/Makefile.inc1
index fb063b538c9..818cdfa7fec 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -201,7 +201,7 @@ WMAKEENV=	${CROSSENV} \
 		PATH=${TMPPATH}
 WMAKE=		${WMAKEENV} ${MAKE} -f Makefile.inc1 DESTDIR=${WORLDTMP}
 
-.if ${MACHINE_ARCH} == amd64
+.if ${MACHINE_ARCH} == "amd64"
 # 32 bit world
 LIB32TMP=	${OBJTREE}${.CURDIR}/lib32
 
@@ -378,7 +378,7 @@ everything:
 	@echo ">>> stage 4.4: building everything"
 	@echo "--------------------------------------------------------------"
 	${_+_}cd ${.CURDIR}; ${WMAKE} par-all
-.if ${MACHINE_ARCH} == amd64
+.if ${MACHINE_ARCH} == "amd64"
 build32:
 	@echo
 	@echo "--------------------------------------------------------------"
@@ -436,7 +436,7 @@ WMAKE_TGTS+=	_cleanobj _obj _build-tools
 WMAKE_TGTS+=	_cross-tools
 .endif
 WMAKE_TGTS+=	_includes _libraries _depend everything
-.if ${MACHINE_ARCH} == amd64 && defined(WITH_LIB32)
+.if ${MACHINE_ARCH} == "amd64" && defined(WITH_LIB32)
 WMAKE_TGTS+=	build32
 .endif
 
@@ -569,7 +569,7 @@ reinstall: ${SPECIAL_INSTALLCHECKS}
 	@echo ">>> Installing everything"
 	@echo "--------------------------------------------------------------"
 	${_+_}cd ${.CURDIR}; ${MAKE} -f Makefile.inc1 install
-.if ${MACHINE_ARCH} == amd64 && defined(WITH_LIB32)
+.if ${MACHINE_ARCH} == "amd64" && defined(WITH_LIB32)
 	${_+_}cd ${.CURDIR}; ${MAKE} -f Makefile.inc1 install32
 .endif