diff --git a/compiler/pdecsub.pas b/compiler/pdecsub.pas
index 534417c7fc..5a2557f636 100644
--- a/compiler/pdecsub.pas
+++ b/compiler/pdecsub.pas
@@ -2078,38 +2078,37 @@ const
         result:='';
         if not(po_external in pd.procoptions) then
           internalerror(200412151);
-        { import by number? }
-        if pd.import_nr<>0 then
+        { external name or number is specified }
+        if assigned(pd.import_name) or (pd.import_nr<>0) then
           begin
-            { Nothing to do }
-          end
-        else
-        { external name specified }
-          if assigned(pd.import_name) then
-            begin
-              if assigned(pd.import_dll) then
-                begin
-                  { If we are not using direct dll linking under win32 then imports
-                    need to use the normal name since to functions can refer to the
-                    same DLL function. This is also needed for compatability
-                    with Delphi and TP7 }
-                  case target_info.system of
-                    system_i386_emx,
-                    system_i386_os2 :
+            if assigned(pd.import_dll) then
+              begin
+                { If we are not using direct dll linking under win32 then imports
+                  need to use the normal name since to functions can refer to the
+                  same DLL function. This is also needed for compatability
+                  with Delphi and TP7 }
+                case target_info.system of
+                  system_i386_emx,
+                  system_i386_os2 :
+                    begin
+                      { keep normal mangledname }
+                    end;
+                  else
+                    if assigned(pd.import_name) then
                       begin
-                        { keep normal mangledname }
-                      end;
+                        if target_info.system in system_all_windows then
+                          { cprefix is not used in DLL imports under Windows }
+                          result:=pd.import_name^
+                        else
+                          result:=maybe_cprefix(pd.import_name^);
+                      end
                     else
-                      if target_info.system in system_all_windows then
-                        { cprefix is not used in DLL imports under Windows }
-                        result:=pd.import_name^
-                      else
-                        result:=maybe_cprefix(pd.import_name^);
-                  end;
-                end
-              else
-                result:=maybe_cprefix(pd.import_name^);
-            end
+                      result:=splitfilename(pd.import_dll^)+'_index_'+tostr(pd.import_nr);
+                end;
+              end
+            else
+              result:=maybe_cprefix(pd.import_name^);
+          end
         else
           begin
             { Default names when importing variables }
diff --git a/compiler/systems/t_win.pas b/compiler/systems/t_win.pas
index b5c7b0f5fa..4ed500eab0 100644
--- a/compiler/systems/t_win.pas
+++ b/compiler/systems/t_win.pas
@@ -149,7 +149,7 @@ implementation
          hp2:=twin32imported_item(hp1.imported_items.first);
          while assigned(hp2) do
           begin
-            if (hp2.name^=name) then
+            if (hp2.name^=name) and (hp2.ordnr=index) then
               break;
             hp2:=twin32imported_item(hp2.next);
           end;
@@ -369,9 +369,28 @@ implementation
           objdata.writebytes(emptyint,align(objdata.CurrObjSec.size,2)-objdata.CurrObjSec.size);
           { idata4, import lookup table }
           objdata.SetSection(idata4objsection);
-          objdata.writereloc(0,sizeof(longint),idata6label,RELOC_RVA);
-          if target_info.system=system_x86_64_win64 then
-            objdata.writebytes(emptyint,sizeof(emptyint));
+          if afuncname<>'' then
+            begin
+              objdata.writereloc(0,sizeof(longint),idata6label,RELOC_RVA);
+              if target_info.system=system_x86_64_win64 then
+                objdata.writebytes(emptyint,sizeof(emptyint));
+            end
+          else
+            begin
+              emptyint:=ordnr;
+              if target_info.system=system_x86_64_win64 then
+                begin
+                  objdata.writebytes(emptyint,sizeof(emptyint));
+                  emptyint:=$80000000;
+                  objdata.writebytes(emptyint,sizeof(emptyint));
+                end
+              else
+                begin
+                  emptyint:=emptyint or $80000000;
+                  objdata.writebytes(emptyint,sizeof(emptyint));
+                end;
+              emptyint:=0;
+            end;
           { idata5, import address table }
           objdata.SetSection(idata5objsection);
           if isvar then
@@ -385,7 +404,10 @@ implementation
           if not isvar then
             begin
               objdata.SetSection(textobjsection);
-              implabel:=objdata.SymbolDefine(afuncname,AB_GLOBAL,AT_FUNCTION);
+              if afuncname <> '' then
+                implabel:=objdata.SymbolDefine(afuncname,AB_GLOBAL,AT_FUNCTION)
+              else
+                implabel:=objdata.SymbolDefine(basedllname+'_index_'+tostr(ordnr),AB_GLOBAL,AT_FUNCTION);
               objdata.writebytes(jmpopcode,sizeof(jmpopcode));
               objdata.writereloc(0,sizeof(longint),idata5label,RELOC_ABSOLUTE32);
               objdata.writebytes(nopopcodes,align(objdata.CurrObjSec.size,sizeof(nopopcodes))-objdata.CurrObjSec.size);
@@ -518,7 +540,10 @@ implementation
                       { create indirect jump and }
                       { place jump in al_procedures }
                       new_section(current_asmdata.asmlists[al_imports],sec_code,'',0);
-                      current_asmdata.asmlists[al_imports].concat(Tai_symbol.Createname_global(target_info.cprefix+hp2.func^,AT_FUNCTION,0));
+                      if hp2.name^ <> '' then
+                        current_asmdata.asmlists[al_imports].concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0))
+                      else
+                        current_asmdata.asmlists[al_imports].concat(Tai_symbol.Createname_global(splitfilename(hp1.dllname^)+'_index_'+tostr(hp2.ordnr),AT_FUNCTION,0));
                       current_asmdata.asmlists[al_imports].concat(tai_function_name.create(''));
                     {$ifdef ARM}
                       reference_reset_symbol(href,l5,0);