diff --git a/make/cache.mk b/make/cache.mk
index 0c049057..53a28246 100644
--- a/make/cache.mk
+++ b/make/cache.mk
@@ -20,11 +20,13 @@ clean-cache:
 
 cache: $(CACHE_PROJECT_MK)
 $(CACHE_PROJECT_MK): $(CACHED_FILES) $(JWBDIR)/make/cache.mk
+	@echo 'ifneq ($$(JW_PKG_NO_CACHE),true)' | tee $@.tmp
 	@echo $(foreach v,$(CACHED_VARS),$v = $(value $(v)) EOL) | \
 		$(SED) 's/\s\+EOL/\n/g;' | \
 		$(SED) 's/\s*\(\S\+\)\s*=\s*\(.*\)\s*/ifndef \1\n  \1 = \2\nendif\n/g;' | \
 		$(SED) 's|$(realpath $(TOPDIR))|$$(TOPDIR)|g' | \
 		$(SED) 's|$(realpath $(PROJECTS_DIR))|$$(PROJECTS_DIR)|g' | \
 		$(GREP) . | \
-		tee $@.tmp
+		tee -a $@.tmp
+	@echo 'endif # ifneq ($$(JW_PKG_NO_CACHE),true)' | tee -a $@.tmp
 	mv $@.tmp $@