diff --git a/wercker.yml b/wercker.yml
index 1a8feb19ad..2384bf07b4 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -63,8 +63,9 @@ test-mjit-wait:
         name: make test-all1 (JIT wait) # only: test/ruby/, test/testunit/, test/rubygems/, test/rss
         code: /usr/bin/sudo -H -u test -- make test-all RUN_OPTS="--disable-gems --jit-wait --jit-warnings" TESTS="test/ruby/ test/testunit/ test/rubygems/ test/rss/" TESTOPTS="--color=never --job-status=normal --longest 10 --subprocess-timeout-scale=3.0 --excludes=test/excludes/_wercker/test-mjit-wait"
     - script:
+        # TODO: remove `--exclude test/webrick` once it's fixed https://app.wercker.com/ruby/ruby/runs/test-mjit-wait/5bd092a89b1e440006d5780d?step=5bd092e3591ca80007258400
         name: make test-all2 (JIT wait) # except: test/ruby/, test/testunit/, test/rubygems/, test/rss
-        code: /usr/bin/sudo -H -u test -- make test-all RUN_OPTS="--disable-gems --jit-wait --jit-warnings" TESTOPTS="--exclude test/ruby/ --exclude test/testunit/ --exclude test/rubygems/ --exclude test/rss/ --color=never --job-status=normal --longest 10 --subprocess-timeout-scale=3.0 --excludes=test/excludes/_wercker/test-mjit-wait"
+        code: /usr/bin/sudo -H -u test -- make test-all RUN_OPTS="--disable-gems --jit-wait --jit-warnings" TESTOPTS="--exclude test/ruby/ --exclude test/testunit/ --exclude test/rubygems/ --exclude test/rss/ --exclude test/webrick/ --color=never --job-status=normal --longest 10 --subprocess-timeout-scale=3.0 --excludes=test/excludes/_wercker/test-mjit-wait"
     - script:
         name: make test-spec (JIT wait)
         code: /usr/bin/sudo -H -u test -- make test-spec RUN_OPTS="--disable-gems --jit-wait --jit-warnings"