diff --git a/src/eepp/ui/uicontrol.cpp b/src/eepp/ui/uicontrol.cpp
index 47f7039da..2651a7069 100644
--- a/src/eepp/ui/uicontrol.cpp
+++ b/src/eepp/ui/uicontrol.cpp
@@ -14,6 +14,7 @@ UIControl * UIControl::New() {
 }
 
 UIControl::UIControl() :
+	mIdHash( 0 ),
 	mPos( 0, 0 ),
 	mRealPos( 0, 0 ),
 	mSize( 0, 0 ),