diff --git a/plugin.sh b/plugin.sh
index f769fd8..1d9dc11 100644
--- a/plugin.sh
+++ b/plugin.sh
@@ -26,7 +26,7 @@ RES=$(curl --request POST \
     --url "https://$PLUGIN_DOMAIN/api/v1/repos/$DRONE_REPO/pulls" \
     --header "Content-Type: application/json" \
     --header "Authorization: token $PLUGIN_APIKEY" \
-    -F \
+    -f \
     --data "{
         \"title\": \"$PLUGIN_TITLE\",
         \"body\": \"Automatic merge of $PLUGIN_SOURCE into $PLUGIN_TARGET\",
@@ -45,7 +45,7 @@ if [ "${PLUGIN_MERGE:-false}" = true ]; then
     --url "https://$PLUGIN_DOMAIN/api/v1/repos/$DRONE_REPO/pulls/$ID/merge" \
     --header 'Content-Type: application/json' \
     --header "Authorization: token $PLUGIN_APIKEY" \
-    -F \
+    -f \
     --data "{
           \"do\": \"merge\",
           \"delete_branch_after_merge\": $PLUGIN_DELETE_SOURCE