diff --git a/core/tasks/vendor_module_check.mk b/core/tasks/vendor_module_check.mk
index add889a..c51a40c 100644
--- a/core/tasks/vendor_module_check.mk
+++ b/core/tasks/vendor_module_check.mk
@@ -86,10 +86,11 @@
 $(foreach m, $(_vendor_check_modules), \
   $(if $(filter vendor/%, $(ALL_MODULES.$(m).PATH)),\
     $(if $(filter-out FAKE, $(ALL_MODULES.$(m).CLASS)),\
-      $(if $(filter $(TARGET_OUT_VENDOR)/%, $(ALL_MODULES.$(m).INSTALLED)),,\
-        $(error Error: vendor module "$(m)" in $(ALL_MODULES.$(m).PATH) \
-          in product "$(TARGET_PRODUCT)" being installed to \
-          $(ALL_MODULES.$(m).INSTALLED) which is not in the vendor tree)))))
+      $(if $(filter-out ,$(ALL_MODULES.$(m).INSTALLED)),\
+        $(if $(filter $(TARGET_OUT_VENDOR)/% $(HOST_OUT)/%, $(ALL_MODULES.$(m).INSTALLED)),,\
+          $(error Error: vendor module "$(m)" in $(ALL_MODULES.$(m).PATH) \
+            in product "$(TARGET_PRODUCT)" being installed to \
+            $(ALL_MODULES.$(m).INSTALLED) which is not in the vendor tree))))))
 
 endif