diff --git a/core/document.cpp b/core/document.cpp
index 56b44daa8..1eb96ab83 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -51,6 +51,8 @@
 
 using namespace Okular;
 
+static int OkularDebug = 4650;
+
 struct AllocatedPixmap
 {
     // owner of the page