diff --git a/lib/tests/functionLibraryTests.sh b/lib/tests/functionLibraryTests.sh
index 37821981b..37fd3441e 100644
--- a/lib/tests/functionLibraryTests.sh
+++ b/lib/tests/functionLibraryTests.sh
@@ -17,7 +17,7 @@
 scriptLocation=$0
 scriptDir=${scriptLocation%/*}
 echo "scriptdir = ${scriptDir}/"
-[[ ! -x "${scriptDir}" || ! "${scriptDir}" =~ .*tests$ ]] && scriptDir="./"
+[[ ! -x "${scriptDir}" || ! "${scriptDir}" =~ .*tests/$ ]] && scriptDir="./"
 [[ ! -x "${scriptDir}/../functionLibrary.sh" ]] && echo "Error: Please launch this script with a full path, or from within the test directory." && exit 1
 
 source "${scriptDir}/../functionLibrary.sh"