diff --git a/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/proposalFoldersCreation.spec.ts b/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/proposalFoldersCreation.spec.ts
index 28ade26..8c5d6f4 100644
--- a/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/proposalFoldersCreation.spec.ts
+++ b/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/proposalFoldersCreation.spec.ts
@@ -85,7 +85,7 @@ describe('proposalFoldersCreation', () => {
 
     expect(exec).toHaveBeenCalledTimes(1);
     expect(exec).toHaveBeenCalledWith(
-      'command shortcode 2025 shortCode group_prefix_shortCode test.proposer@email.com test.member@email.com',
+      'command shortcode 2026 shortCode group_prefix_shortCode test.proposer@email.com test.member@email.com',
       expect.any(Function)
     );
   });
diff --git a/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/upsertProposalInScicat.ts b/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/upsertProposalInScicat.ts
index 5d3f300..0e1d5ad 100644
--- a/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/upsertProposalInScicat.ts
+++ b/src/queue/consumers/scicat/scicatProposal/consumerCallbacks/upsertProposalInScicat.ts
@@ -200,8 +200,13 @@ const getInstrumentIds = async (instruments: Instrument[]) => {
   const instrumentIds = [];
 
   for (const name of instrumentNames) {
-    const instrumentNameLowerCase = encodeURIComponent(name.toLowerCase());
-    const url = `${sciCatBaseUrl}/Instruments?filter={"where":{"name":{"ilike":"${instrumentNameLowerCase}"}}}`;
+    const instrumentNameLowerCase = name.toLowerCase();
+
+    const filterString = JSON.stringify({
+      where: { name: { ilike: instrumentNameLowerCase } },
+    });
+
+    const url = `${sciCatBaseUrl}/Instruments?filter=${encodeURIComponent(filterString)}`;
 
     try {
       const res = await request<InstrumentDto[]>(url, {