diff --git a/Makefile.common b/Makefile.common
index 888e3f0..dd767ec 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -19,12 +19,9 @@ RPMS ?= $(LATEST_RPMS)
 
 WITH_SUDO = $(shell cmp /usr/bin/mock /usr/sbin/mock &> /dev/null && echo sudo )
 
-ifeq ($(wildcard $(TOPLVL)/repo/clear.cfg),)
-MOCK ?= $(WITH_SUDO) /usr/bin/mock -r $(MOCK_CONF)
-else
-MOCK ?= $(WITH_SUDO) /usr/bin/mock -r $(TOPLVL)/repo/clear.cfg
-USE_LOCAL_REPO = 1
-endif
+# MOCK_CONFIG_VAL is set in Makefile.shared
+MOCK ?= $(WITH_SUDO) /usr/bin/mock -r $(MOCK_CONFIG_VAL)
+
 
 ifneq ($(wildcard upstream),)
 __allsources := $(notdir $(strip $(shell cat upstream)))
@@ -164,7 +161,8 @@ autospec: pullrebase
 	python3 $(TOPLVL)/projects/autospec/autospec/autospec.py -t . --integrity \
 		${NON_INTERACTIVE} --config "$(AUTOSPEC_CONF)" ${SKIP_GIT} \
 		$(firstword $(NEWURL) $(URL)) --name $(PKG_NAME) ${CLEANUP} \
-		$${SETVERSION:+ -v $${SETVERSION}} -a $(ARCHIVES)
+		$${SETVERSION:+ -v $${SETVERSION}} -a $(ARCHIVES) \
+		-m $(MOCK_CONFIG_VAL)
 	@$(MAKE) spdxcheck
 	@$(MAKE) checkblacklist
 	@if [ -e update_changelog.sh ] && [ -z "$$SKIP_GIT" ] ; then \
diff --git a/Makefile.shared b/Makefile.shared
index 93092d2..7e452fe 100644
--- a/Makefile.shared
+++ b/Makefile.shared
@@ -119,6 +119,16 @@ localrepostatus:
 		fi; \
 	)
 
+# Detection of whether to use the local RPM repo occurs on-the-fly. Normally,
+# variable definitions appear in Makefile.config, but these variables are not
+# intended to be user-modifiable.
+ifeq ($(wildcard $(TOPLVL)/repo/clear.cfg),)
+MOCK_CONFIG_VAL = $(realpath $(MOCK_CONF))
+else
+MOCK_CONFIG_VAL = $(realpath $(TOPLVL)/repo/clear.cfg)
+USE_LOCAL_REPO = 1
+endif
+
 
 .PHONY: help
 ##### Code
diff --git a/Makefile.toplevel b/Makefile.toplevel
index 5fd9c03..36927ed 100644
--- a/Makefile.toplevel
+++ b/Makefile.toplevel
@@ -204,7 +204,7 @@ autospecnew:
 			$(call subjectprefix,$(NAME)); \
 		); \
 		printf 'PKG_NAME := %s\nURL = %s\nARCHIVES = %s\n\ninclude ../common/Makefile.common\n' $(NAME) '$(value URL)' '$(value ARCHIVES)' > $(TOPLVL)/packages/$(NAME)/Makefile; \
-		python3 $(TOPLVL)/projects/autospec/autospec/autospec.py --integrity -t packages/$(NAME) --config $(AUTOSPEC_CONF) $(URL) --name $(NAME); \
+		python3 $(TOPLVL)/projects/autospec/autospec/autospec.py --integrity -t packages/$(NAME) --config $(AUTOSPEC_CONF) $(URL) --name $(NAME) -m $(MOCK_CONFIG_VAL); \
 		$(TOPLVL)/projects/common/checkblacklist.sh $(TOPLVL)/projects/common/blacklist $(TOPLVL)/packages/${NAME}/results/*.rpm; \
 	else \
 		echo "$(NAME) already exists at $(TOPLVL)/packages/$(NAME)"; \