diff --git a/integration_mono.sh b/integration_mono.sh
index 8a3571aba..f7c8ef40a 100644
--- a/integration_mono.sh
+++ b/integration_mono.sh
@@ -2,6 +2,6 @@ EXCLUDE="-exclude:Windows -include:IntegrationTest"
 TESTDIR="."
 NUNIT="$TESTDIR/NUnit.Runners.2.6.1/tools/nunit-console-x86.exe"
 
-mono --debug $NUNIT $EXCLUDE -xml:NzbDrone.Api.Result.xml $TESTDIR/NzbDrone.Api.Test.dll
-mono --debug $NUNIT $EXCLUDE -xml:NzbDrone.Core.Result.xml $TESTDIR/NzbDrone.Core.Test.dll
-mono --debug $NUNIT $EXCLUDE -xml:NzbDrone.Integration.Result.xml $TESTDIR/NzbDrone.Integration.Test.dll
\ No newline at end of file
+mono --debug --runtime=v4.0 $NUNIT $EXCLUDE -xml:NzbDrone.Api.Result.xml $TESTDIR/NzbDrone.Api.Test.dll
+mono --debug --runtime=v4.0 $NUNIT $EXCLUDE -xml:NzbDrone.Core.Result.xml $TESTDIR/NzbDrone.Core.Test.dll
+mono --debug --runtime=v4.0 $NUNIT $EXCLUDE -xml:NzbDrone.Integration.Result.xml $TESTDIR/NzbDrone.Integration.Test.dll