diff --git a/tests_mono.sh b/tests_mono.sh
index ac5676997..2f09d1d1c 100644
--- a/tests_mono.sh
+++ b/tests_mono.sh
@@ -1,6 +1,6 @@
 EXCLUDE="/exclude:Windows"
-TESTDIR=.
-NUNIT=$TESTDIR/NUnit.Runners.2.6.1/tools/nunit-console-x86.exe
+TESTDIR="."
+NUNIT="$TESTDIR/NUnit.Runners.2.6.1/tools/nunit-console-x86.exe"
 
 mono $NUNIT $EXCLUDE  /xml:NzbDrone.Libraries.Result.xml $TESTDIR/NzbDrone.Libraries.Test.dll
 mono $NUNIT $EXCLUDE  /xml:NzbDrone.Libraries.Common.Result.xm $TESTDIR/NzbDrone.Common.Test.dll
\ No newline at end of file