diff --git a/run-document-server.sh b/run-document-server.sh
index 61e7296..99f6ddc 100755
--- a/run-document-server.sh
+++ b/run-document-server.sh
@@ -39,10 +39,19 @@ fi
 
 SSL_CERTIFICATES_DIR="/usr/share/ca-certificates/ds"
 mkdir -p ${SSL_CERTIFICATES_DIR}
-if [[ -d $DATA_DIR/certs ]] && [[ "$(ls -A $DATA_DIR/certs)" ]]; then
-    cp -f ${DATA_DIR}/certs/* ${SSL_CERTIFICATES_DIR}
-    chmod 644 ${SSL_CERTIFICATES_DIR}/*.crt ${SSL_CERTIFICATES_DIR}/*.pem
-    chmod 400 ${SSL_CERTIFICATES_DIR}/*.key
+if [[ -d $DATA_DIR/certs ]]; then
+   if [[ "$(ls -A $DATA_DIR/certs | grep .crt )" ]]; then
+     cp -f ${DATA_DIR}/certs/*.crt ${SSL_CERTIFICATES_DIR}
+     chmod 644 ${SSL_CERTIFICATES_DIR}/*.crt
+   fi
+   if [[ "$(ls -A $DATA_DIR/certs | grep .pem )" ]]; then
+     cp -f ${DATA_DIR}/certs/*.pem ${SSL_CERTIFICATES_DIR}
+     chmod 644 ${SSL_CERTIFICATES_DIR}/*.pem
+   fi
+   if [[ "$(ls -A $DATA_DIR/certs | grep .key )" ]]; then
+     cp -f ${DATA_DIR}/certs/*.key ${SSL_CERTIFICATES_DIR}
+     chmod 400 ${SSL_CERTIFICATES_DIR}/*.key
+   fi
 fi
 
 if [[ -z $SSL_CERTIFICATE_PATH ]] && [[ -f ${SSL_CERTIFICATES_DIR}/${COMPANY_NAME}.crt ]]; then