diff --git a/core/base_rules.mk b/core/base_rules.mk
index 43f351a..673fdd8 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -84,11 +84,10 @@
 # Add implicit tags.
 #
 # If the local directory or one of its parents contains a MODULE_LICENSE_GPL
-# file, tag the module as "gnu".  Search for "*_GPL*" and "*_MPL*" so that we can also
-# find files like MODULE_LICENSE_GPL_AND_AFL but exclude files like
-# MODULE_LICENSE_LGPL.
+# file, tag the module as "gnu".  Search for "*_GPL*", "*_LGPL*" and "*_MPL*"
+# so that we can also find files like MODULE_LICENSE_GPL_AND_AFL
 #
-gpl_license_file := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL*)
+gpl_license_file := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL* MODULE_LICENSE*_LGPL*)
 ifneq ($(gpl_license_file),)
   my_module_tags += gnu
   ALL_GPL_MODULE_LICENSE_FILES := $(sort $(ALL_GPL_MODULE_LICENSE_FILES) $(gpl_license_file))