diff --git a/tests/xml/ocaf_xml/begin b/tests/xml/ocaf_xml/begin
index ff0618f5bf..dc553b8a28 100755
--- a/tests/xml/ocaf_xml/begin
+++ b/tests/xml/ocaf_xml/begin
@@ -1,4 +1,4 @@
-set SchemaFile [locate_data_file XmlOcaf.xsd]
+set SchemaFile [file join $env(CASROOT) src XmlOcafResource XmlOcaf.xsd]
 set FileSuffix "xml"
 
 # Create a new document and set UndoLimit
diff --git a/tests/xml/xcaf_xml/begin b/tests/xml/xcaf_xml/begin
index b485d9f908..4279c686e6 100755
--- a/tests/xml/xcaf_xml/begin
+++ b/tests/xml/xcaf_xml/begin
@@ -1,4 +1,4 @@
-set SchemaFile [locate_data_file XmlXcaf.xsd]
+set SchemaFile [file join $env(CASROOT) src XmlOcafResource XmlXcaf.xsd]
 
 pload XDE
 set FileSuffix "xml"