diff --git a/Makefile.inc1 b/Makefile.inc1
index c4042e109953..f5fdc6b28a0c 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1442,7 +1442,7 @@ reinstallkernel reinstallkernel.debug: _installcheck_kernel .PHONY
 	@echo "--------------------------------------------------------------"
 	@echo ">>> Installing kernel ${INSTALLKERNEL}"
 	@echo "--------------------------------------------------------------"
-	cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
+	${_+_}cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
 	    ${CROSSENV} PATH=${TMPPATH} \
 	    ${MAKE} ${IMAKE_INSTALL} KERNEL=${INSTKERNNAME} ${.TARGET:S/kernel//}
 .endif
@@ -1451,7 +1451,7 @@ reinstallkernel reinstallkernel.debug: _installcheck_kernel .PHONY
 	@echo "--------------------------------------------------------------"
 	@echo ">>> Installing kernel ${_kernel}"
 	@echo "--------------------------------------------------------------"
-	cd ${KRNLOBJDIR}/${_kernel}; \
+	${_+_}cd ${KRNLOBJDIR}/${_kernel}; \
 	    ${CROSSENV} PATH=${TMPPATH} \
 	    ${MAKE} ${IMAKE_INSTALL} KERNEL=${INSTKERNNAME}.${_kernel} ${.TARGET:S/kernel//}
 .endfor
@@ -1467,7 +1467,7 @@ distributekernel distributekernel.debug: .PHONY
 .if defined(NO_ROOT)
 	@echo "#${MTREE_MAGIC}" > ${DESTDIR}/${DISTDIR}/kernel.premeta
 .endif
-	cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
+	${_+_}cd ${KRNLOBJDIR}/${INSTALLKERNEL}; \
 	    ${IMAKEENV} ${IMAKE_INSTALL:S/METALOG/kernel.premeta/} \
 	    ${IMAKE_MTREE} PATH=${TMPPATH} ${MAKE} KERNEL=${INSTKERNNAME} \
 	    DESTDIR=${INSTALL_DDIR}/kernel \
@@ -1482,7 +1482,7 @@ distributekernel distributekernel.debug: .PHONY
 .if defined(NO_ROOT)
 	@echo "#${MTREE_MAGIC}" > ${DESTDIR}/${DISTDIR}/kernel.${_kernel}.premeta
 .endif
-	cd ${KRNLOBJDIR}/${_kernel}; \
+	${_+_}cd ${KRNLOBJDIR}/${_kernel}; \
 	    ${IMAKEENV} ${IMAKE_INSTALL:S/METALOG/kernel.${_kernel}.premeta/} \
 	    ${IMAKE_MTREE} PATH=${TMPPATH} ${MAKE} \
 	    KERNEL=${INSTKERNNAME}.${_kernel} \