diff --git a/connect_to_wireguard_with_token.sh b/connect_to_wireguard_with_token.sh
index bda0ce1..3b7d7ec 100755
--- a/connect_to_wireguard_with_token.sh
+++ b/connect_to_wireguard_with_token.sh
@@ -19,6 +19,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+# absolute path ot this file directory
+CURRENT_FILE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
 # This function allows you to check if the required tools have been installed.
 function check_tool() {
   cmd=$1
@@ -94,7 +97,7 @@ export pubKey
 echo Trying to connect to the PIA WireGuard API on $WG_SERVER_IP...
 wireguard_json="$(curl -s -G \
   --connect-to "$WG_HOSTNAME::$WG_SERVER_IP:" \
-  --cacert "ca.rsa.4096.crt" \
+  --cacert "$CURRENT_FILE_DIR/ca.rsa.4096.crt" \
   --data-urlencode "pt=${PIA_TOKEN}" \
   --data-urlencode "pubkey=$pubKey" \
   "https://${WG_HOSTNAME}:1337/addKey" )"
diff --git a/port_forwarding.sh b/port_forwarding.sh
index 2e48198..dac5026 100755
--- a/port_forwarding.sh
+++ b/port_forwarding.sh
@@ -19,6 +19,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+# absolute path ot this file directory
+CURRENT_FILE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
 # This function allows you to check if the required tools have been installed.
 function check_tool() {
   cmd=$1
@@ -86,7 +89,7 @@ if [[ ! $PAYLOAD_AND_SIGNATURE ]]; then
   echo -n "Getting new signature... "
   payload_and_signature="$(curl -s -m 5 \
     --connect-to "$PF_HOSTNAME::$PF_GATEWAY:" \
-    --cacert "ca.rsa.4096.crt" \
+    --cacert "$CURRENT_FILE_DIR/ca.rsa.4096.crt" \
     -G --data-urlencode "token=${PIA_TOKEN}" \
     "https://${PF_HOSTNAME}:19999/getSignature")"
 else
@@ -133,7 +136,7 @@ Trying to bind the port... "
 while true; do
   bind_port_response="$(curl -Gs -m 5 \
     --connect-to "$PF_HOSTNAME::$PF_GATEWAY:" \
-    --cacert "ca.rsa.4096.crt" \
+    --cacert "$CURRENT_FILE_DIR/ca.rsa.4096.crt" \
     --data-urlencode "payload=${payload}" \
     --data-urlencode "signature=${signature}" \
     "https://${PF_HOSTNAME}:19999/bindPort")"