diff --git a/applications/luci-app-dawn/luasrc/model/cbi/dawn/dawn_hearing_map.lua b/applications/luci-app-dawn/luasrc/model/cbi/dawn/dawn_hearing_map.lua
index d277865503..3ba5329855 100644
--- a/applications/luci-app-dawn/luasrc/model/cbi/dawn/dawn_hearing_map.lua
+++ b/applications/luci-app-dawn/luasrc/model/cbi/dawn/dawn_hearing_map.lua
@@ -38,6 +38,7 @@ function s.render(self, sid)
 							local mac2, data2
 							local count_loop = 0
 							for mac2, data2 in pairs(data) do
+								if data2.freq ~= 0 then --prevent empty entry crashes
 					%>
 						<tr class="tr">
 							<td class="td"><%= (count_loop == 0) and mac or "" %></td>
@@ -53,7 +54,8 @@ function s.render(self, sid)
 							<td class="td"><%= "%d" % data2.score %></td>
 						</tr>
 					<%
-								count_loop = count_loop + 1
+									count_loop = count_loop + 1
+								end
 							end
 						end
 					%>