diff --git a/Makefile.inc b/Makefile.inc
index 5ab352468c..573d927e63 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -1059,6 +1059,6 @@ what-jenkins-does:
 	util/abuild/abuild -B -J $(if $(JENKINS_NOCCACHE),,-y) -c $(CPUS) -z -p $(JENKINS_PAYLOAD)
 	(cd payloads/libpayload; unset COREBOOT_BUILD_DIR; $(MAKE) $(if $(JENKINS_NOCCACHE),,CONFIG_LP_CCACHE=y) V=$(V) Q=$(Q) junit.xml)
 	$(foreach tool, $(TOOLLIST), $(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=util/ BLD="$(tool)" MFLAGS= MAKEFLAGS= MAKETARGET= junit.xml; )
-	$(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=payloads/ BLD=nvramcui MFLAGS= MAKEFLAGS= MAKETARGET=all junit.xml
-	$(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=payloads/ BLD=coreinfo MFLAGS= MAKEFLAGS= MAKETARGET=defaultbuild junit.xml
+	unset COREBOOT_BUILD_DIR;$(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=payloads/ BLD=nvramcui MFLAGS= MAKEFLAGS= MAKETARGET=all junit.xml
+	unset COREBOOT_BUILD_DIR;$(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=payloads/ BLD=coreinfo MFLAGS= MAKEFLAGS= MAKETARGET=defaultbuild junit.xml
 	$(MAKE) CPUS=$(CPUS) V=$(V) Q=$(Q) BLD_DIR=util/ BLD=romcc MFLAGS= MAKEFLAGS= MAKETARGET=test junit.xml