diff --git a/src/Library/public/usbguard/Policy.cpp b/src/Library/public/usbguard/Policy.cpp
index 8dbc9623..891cd46f 100644
--- a/src/Library/public/usbguard/Policy.cpp
+++ b/src/Library/public/usbguard/Policy.cpp
@@ -26,7 +26,7 @@
 
 namespace usbguard
 {
-  Policy::Policy()
+  Policy::Policy(): _defaultTarget(Rule::Target::Block)
   {
     _rulesets_ptr = std::vector<std::shared_ptr<RuleSet>>();
   }