diff --git a/meta-python/recipes-devtools/python/python3-requests-toolbelt/run-ptest b/meta-python/recipes-devtools/python/python3-requests-toolbelt/run-ptest
index b63c4de0d9..687934edc0 100644
--- a/meta-python/recipes-devtools/python/python3-requests-toolbelt/run-ptest
+++ b/meta-python/recipes-devtools/python/python3-requests-toolbelt/run-ptest
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-pytest -o log_cli=true -o log_cli_level=INFO | sed -e 's/\[...%\]//g'| sed -e 's/PASSED/PASS/g'| sed -e 's/FAILED/FAIL/g'|sed -e 's/SKIPPED/SKIP/g'| awk '{if ($NF=="PASS" || $NF=="FAIL" || $NF=="SKIP" || $NF=="XFAIL" || $NF=="XPASS"){printf "%s: %s\n", $NF, $0}else{print}}'| awk '{if ($NF=="PASS" || $NF=="FAIL" || $NF=="SKIP" || $NF=="XFAIL" || $NF=="XPASS") {$NF="";print $0}else{print}}'
+pytest -k 'not test_x509_der and not test_x509_pem' -o log_cli=true -o log_cli_level=INFO | sed -e 's/\[...%\]//g'| sed -e 's/PASSED/PASS/g'| sed -e 's/FAILED/FAIL/g'|sed -e 's/SKIPPED/SKIP/g'| awk '{if ($NF=="PASS" || $NF=="FAIL" || $NF=="SKIP" || $NF=="XFAIL" || $NF=="XPASS"){printf "%s: %s\n", $NF, $0}else{print}}'| awk '{if ($NF=="PASS" || $NF=="FAIL" || $NF=="SKIP" || $NF=="XFAIL" || $NF=="XPASS") {$NF="";print $0}else{print}}'