diff --git a/.travis.yml b/.travis.yml
index 37f1e37..6b72359 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,7 +42,7 @@ script:
   - xbuild /p:Configuration=Release /p:TargetFrameworkVersion=v4.5 ./src/TweetNaCl.sln
   - ls ./src/TweetNaCl.Tests/bin/Release/
   - export LD_LIBRARY_PATH=/usr/local/lib
-  - mono --release --profile=monocov:outfile=monocovCoverage.cov ./src/packages/NUnit.Console.3.0.1/tools/nunit3-console.exe ./src/TweetNaCl.Tests/bin/Release/TweetNaCl.Tests.dll
+  - mono --debug --profile=monocov:outfile=monocovCoverage.cov,+[NaCl.TweetNaCl],+[TweetNaCl.Tests] ./src/packages/NUnit.Console.3.0.1/tools/nunit3-console.exe ./src/TweetNaCl.Tests/bin/Release/TweetNaCl.Tests.dll
   - monocov --export-xml=monocovCoverage monocovCoverage.cov
   - cat monocovCoverage.cov
   - ls monocovCoverage