diff --git a/appveyor/Cygwin/runtests.sh b/appveyor/Cygwin/runtests.sh
index deedde37c..31f228362 100644
--- a/appveyor/Cygwin/runtests.sh
+++ b/appveyor/Cygwin/runtests.sh
@@ -3,7 +3,7 @@
 # set -ev
 #
 set -v
-#export POCO_BASE=`pwd`
+export POCO_BASE=`pwd`
 export PATH=$PATH:.
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:.
 source ./appveyor/ignored.sh