diff --git a/Hooks/tests.sh b/Hooks/tests.sh
index 943a982..ddb2451 100644
--- a/Hooks/tests.sh
+++ b/Hooks/tests.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 isPhanTestSuccessful() {
+    export PHAN_DISABLE_XDEBUG_WARN="1"
     php -d memory_limit=4G ${rootpath}/vendor/bin/phan -k ${rootpath}/Build/Config/phan.php --minimum-severity=0 --color -f "$1" >&2
     if [ $? -ne 0 ]; then
         echo 0