diff --git a/.ci/setup/setup-tpm2provisioner.sh b/.ci/setup/setup-tpm2provisioner.sh
index c4e25ee7..72032459 100755
--- a/.ci/setup/setup-tpm2provisioner.sh
+++ b/.ci/setup/setup-tpm2provisioner.sh
@@ -53,7 +53,7 @@ function InitTpm2Emulator {
 
 	# EK and PC Certificate
 	ek_cert_der="/HIRS/.ci/setup/certs/ek_cert.der"
-	platform_cert="platformAttributeCertificate.pem"
+	platform_cert="platformAttributeCertificate.der"
 
 	echo "Creating Platform Cert for Container."
 	PC_DIR=/var/hirs/pc_generation
@@ -62,7 +62,7 @@ function InitTpm2Emulator {
 	/opt/paccor/scripts/referenceoptions.sh > $PC_DIR/optionsFile
 	/opt/paccor/scripts/otherextensions.sh > $PC_DIR/extensionsFile
 	/opt/paccor/bin/observer -c $PC_DIR/componentsFile -p $PC_DIR/optionsFile -e $ek_cert_der -f $PC_DIR/observerFile
-	/opt/paccor/bin/signer -o $PC_DIR/observerFile -x $PC_DIR/extensionsFile -b 20180101 -a 20280101 -N $RANDOM -k /HIRS/.ci/setup/certs/ca.key -P /HIRS/.ci/setup/certs/ca.crt --pem -f $PC_DIR/$platform_cert
+	/opt/paccor/bin/signer -o $PC_DIR/observerFile -x $PC_DIR/extensionsFile -b 20180101 -a 20280101 -N $RANDOM -k /HIRS/.ci/setup/certs/ca.key -P /HIRS/.ci/setup/certs/ca.crt -f $PC_DIR/$platform_cert
 
 	if tpm2_nvlist | grep -q 0x1c00002; then
 	  echo "Released NVRAM for EK."