--- a/devtools/client/netmonitor/test/browser.ini
+++ b/devtools/client/netmonitor/test/browser.ini
@@ -149,16 +149,17 @@ skip-if = (os == 'linux' && debug && bit
 [browser_net_simple-request-data.js]
 [browser_net_simple-request-details.js]
 skip-if = true # Bug 1258809
 [browser_net_simple-request.js]
 [browser_net_sort-01.js]
 [browser_net_sort-02.js]
 [browser_net_statistics-01.js]
 [browser_net_statistics-02.js]
+skip-if = (os == 'win' && bits == 32 && debug) # bug 1366083, disable win32 debug
 [browser_net_status-codes.js]
 [browser_net_streaming-response.js]
 [browser_net_throttle.js]
 [browser_net_thumbnail-click.js]
 [browser_net_timeline_ticks.js]
 skip-if = true # TODO: fix the test
 [browser_net_timing-division.js]
 [browser_net_truncate.js]