diff --git a/gen/todebug.cpp b/gen/todebug.cpp
index 73cec0ac..1d1fb715 100644
--- a/gen/todebug.cpp
+++ b/gen/todebug.cpp
@@ -507,7 +507,7 @@ llvm::DICompileUnit DtoDwarfCompileUnit(Module* m)
     // if the linkage stays internal, we can't llvm-link the generated modules together:
     // llvm's DwarfWriter uses path and filename to determine the symbol name and we'd
     // end up with duplicate symbols
-    m->ir.irModule->diCompileUnit.getGV()->setLinkage(llvm::GlobalValue::LinkOnceLinkage);
+    m->ir.irModule->diCompileUnit.getGV()->setLinkage(DEBUGINFO_LINKONCE_LINKAGE_TYPE);
     m->ir.irModule->diCompileUnit.getGV()->setName(std::string("llvm.dbg.compile_unit_") + srcpath + m->srcfile->name->toChars());
 
     return m->ir.irModule->diCompileUnit;