diff --git a/qmake/generators/win32/msvc_objectmodel.cpp b/qmake/generators/win32/msvc_objectmodel.cpp
index 34975f2b7b0..1093d9849e9 100644
--- a/qmake/generators/win32/msvc_objectmodel.cpp
+++ b/qmake/generators/win32/msvc_objectmodel.cpp
@@ -1216,6 +1216,7 @@ VCLinkerTool::VCLinkerTool()
     :   DataExecutionPrevention(unset),
         EnableCOMDATFolding(optFoldingDefault),
         GenerateDebugInformation(unset),
+        DebugInfoOption(linkerDebugOptionNone),
         GenerateMapFile(unset),
         HeapCommitSize(-1),
         HeapReserveSize(-1),