diff --git a/src/test_certs_r3.sh b/src/test_certs_r3.sh
index 1074f5bd..10ebc4ef 100755
--- a/src/test_certs_r3.sh
+++ b/src/test_certs_r3.sh
@@ -47,7 +47,7 @@ for providerdir in $(ls -d $inputdir/*/); do
     echo "key_algorithm_oid,test_result" > $resultsfile
 
     # test each TA file
-    for tafile in $(ls ${artifacts_certs_r3}*_ta.pem); do
+    for tafile in $(ls ${providerdir}${artifacts_certs_r3}*_ta.pem); do
         test_ta "$tafile" "$resultsfile"
     done
 done