diff --git a/compiler/nmat.pas b/compiler/nmat.pas
index a09557c7b2..ff79e58569 100644
--- a/compiler/nmat.pas
+++ b/compiler/nmat.pas
@@ -644,7 +644,7 @@ implementation
              end
 {$endif SUPPORT_MMX}
 {$ifndef cpu64bit}
-         else if is_64bitint(left.resultdef) then
+         else if is_64bit(left.resultdef) then
            begin
            end
 {$endif cpu64bit}