diff --git a/userspace/engine/lua/CMakeLists.txt b/userspace/engine/lua/CMakeLists.txt
index ac5a3dc1..fb9926c9 100644
--- a/userspace/engine/lua/CMakeLists.txt
+++ b/userspace/engine/lua/CMakeLists.txt
@@ -10,7 +10,7 @@
 # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 # specific language governing permissions and limitations under the License.
 
-file(GLOB_RECURSE lua_module_files ${CMAKE_CURRENT_SOURCE_DIR} *.lua)
+file(GLOB_RECURSE lua_files ${CMAKE_CURRENT_SOURCE_DIR} *.lua)
 
 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/falco_engine_lua_files.cpp
 	COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/lua-to-cpp.sh ${CMAKE_CURRENT_SOURCE_DIR} ${LYAML_LUA_DIR} ${CMAKE_CURRENT_BINARY_DIR}
diff --git a/userspace/engine/lua/rule_loader.lua b/userspace/engine/lua/rule_loader.lua
index 125f3875..2fa25e9a 100644
--- a/userspace/engine/lua/rule_loader.lua
+++ b/userspace/engine/lua/rule_loader.lua
@@ -1061,7 +1061,9 @@ function load_rules(rules_content,
 	    num_evttypes = falco_rules.add_filter(rules_mgr, lua_parser, v['rule'], v['source'], v['tags'])
 	    if num_evttypes == 0 or num_evttypes > 100 then
 	       if warn_evttypes == true then
-		  msg = "Rule "..v['rule']..": warning (no-evttype):"
+		  msg = "Rule "..v['rule']..": warning (no-evttype):\n"
+		  msg = msg.."         did not contain any evt.type restriction, meaning it will run for all event types.\n"
+		  msg = msg.."         This has a significant performance penalty. Consider adding an evt.type restriction if possible.\n"
 		  warnings[#warnings + 1] = msg
 	       end
 	    end