diff --git a/frontend/src/components/DeleteProject.js b/frontend/src/components/DeleteProject.js
index a65e736..342db31 100644
--- a/frontend/src/components/DeleteProject.js
+++ b/frontend/src/components/DeleteProject.js
@@ -16,7 +16,7 @@ const DeleteProject = (props) => {
           zid: user.zid,
           name: user.name,
           votes: user.votes,
-          project_id: null,
+          project_id: "",
         });
       })
       .catch((error) => {
diff --git a/frontend/src/components/SubmissionForm.js b/frontend/src/components/SubmissionForm.js
index 50eebaf..9c88a14 100644
--- a/frontend/src/components/SubmissionForm.js
+++ b/frontend/src/components/SubmissionForm.js
@@ -61,7 +61,7 @@ const SubmissionForm = () => {
           zid: user.zid,
           name: user.name,
           votes: user.votes,
-          project_id: response.data.project.id,
+          project_id: response.data.project.id === null ? "" : response.data.project.id,
         });
       })
       .catch((error) => {