diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index cef6922..7eb7905 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -225,7 +225,7 @@
     if ( def->hasHiddenVisibility() )
         attr |= LTO_SYMBOL_SCOPE_HIDDEN;
     else if ( def->hasExternalLinkage() || def->hasWeakLinkage() 
-              || def->hasLinkOnceLinkage() )
+              || def->hasLinkOnceLinkage() || def->hasCommonLinkage() )
         attr |= LTO_SYMBOL_SCOPE_DEFAULT;
     else
         attr |= LTO_SYMBOL_SCOPE_INTERNAL;