diff --git a/eeschema/erc.cpp b/eeschema/erc.cpp
index ae4e51dd81..1065d0cae8 100644
--- a/eeschema/erc.cpp
+++ b/eeschema/erc.cpp
@@ -502,7 +502,7 @@ int ERC_TESTER::TestMultUnitPinConflicts()
                         continue;
 
                     wxString name = ( pin->GetParentComponent()->GetRef( &subgraph->m_sheet ) +
-                                      ":" + pin->GetName() );
+                                      ":" + pin->GetNumber() );
 
                     if( !pinToNetMap.count( name ) )
                     {