diff --git a/cluster/gce/util.sh b/cluster/gce/util.sh
index 9c10fa17da0..3d3b513e193 100755
--- a/cluster/gce/util.sh
+++ b/cluster/gce/util.sh
@@ -528,13 +528,13 @@ function create-certs {
     exit 2
   }
   CERT_DIR="${KUBE_TEMP}/easy-rsa-master/easyrsa3"
-  CA_CERT_BASE64=$(cat "${CERT_DIR}/pki/ca.crt" | base64)
-  MASTER_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/${MASTER_NAME}.crt" | base64)
-  MASTER_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/${MASTER_NAME}.key" | base64)
-  KUBELET_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubelet.crt" | base64)
-  KUBELET_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubelet.key" | base64)
-  KUBECFG_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubecfg.crt" | base64)
-  KUBECFG_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubecfg.key" | base64)
+  CA_CERT_BASE64=$(cat "${CERT_DIR}/pki/ca.crt" | base64 | tr -d '\r\n')
+  MASTER_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/${MASTER_NAME}.crt" | base64 | tr -d '\r\n')
+  MASTER_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/${MASTER_NAME}.key" | base64 | tr -d '\r\n')
+  KUBELET_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubelet.crt" | base64 | tr -d '\r\n')
+  KUBELET_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubelet.key" | base64 | tr -d '\r\n')
+  KUBECFG_CERT_BASE64=$(cat "${CERT_DIR}/pki/issued/kubecfg.crt" | base64 | tr -d '\r\n')
+  KUBECFG_KEY_BASE64=$(cat "${CERT_DIR}/pki/private/kubecfg.key" | base64 | tr -d '\r\n')
 }
 
 # Instantiate a kubernetes cluster