diff --git a/ALICE3/Core/ALICE3CoreLinkDef.h b/ALICE3/Core/ALICE3CoreLinkDef.h
index 626f5c48f93..076c21f8a79 100644
--- a/ALICE3/Core/ALICE3CoreLinkDef.h
+++ b/ALICE3/Core/ALICE3CoreLinkDef.h
@@ -14,5 +14,5 @@
 #pragma link off all functions;
 
 #pragma link C++ class o2::pid::tof::TOFResoALICE3 + ;
-#pragma link C++ class std::vector<std::vector<unsigned int>>+;
-#pragma link C++ class std::vector<std::vector<std::uint32_t>>+;
+#pragma link C++ class std::vector < std::vector < unsigned int>> + ;
+#pragma link C++ class std::vector < std::vector < std::uint32_t>> + ;