diff --git a/app/Controllers/PrintResult.php b/app/Controllers/PrintResult.php
index acedad1..1c5face 100644
--- a/app/Controllers/PrintResult.php
+++ b/app/Controllers/PrintResult.php
@@ -556,7 +556,7 @@ class PrintResult extends BaseController {
 				st.FULLTEXT as serum_type,
 				cdt.TEXT1 as test_eng, 
 				cdt.TEXT2 as test_ind,
-				cdt.UNIT as UNITTEXT,
+				COALESCE(dt.UNITS, cdt.UNIT) as UNITTEXT,
 				cdt.REFFTEXT,
 				t.DEPTH,
 				t.NOTPRINTABLE,