diff --git a/WebApp/ts/eventView.ts b/WebApp/ts/eventView.ts
index a79e6ee..8f323de 100644
--- a/WebApp/ts/eventView.ts
+++ b/WebApp/ts/eventView.ts
@@ -59,14 +59,21 @@ document.addEventListener("DOMContentLoaded", async () => {
             unhideElementById(document, "removeBtn");
         } else if (org_id == -1) {
             // Użytkownik jest wolontariuszem
-            const registeredIds = await getMyRegisteredEventIds();
-            const isRegistered = registeredIds.includes(Number(eventId));
+            try {
+                const registeredIds = await getMyRegisteredEventIds();
+                const isRegistered = registeredIds.includes(Number(eventId));
 
-            if (isRegistered) {
-                unhideElementById(document, "leaveBtn");
-            } else {
+                if (isRegistered) {
+                    unhideElementById(document, "leaveBtn");
+                } else {
+                    unhideElementById(document, "applyBtn");
+                }
+            } catch {
                 unhideElementById(document, "applyBtn");
+                (applyBtn as HTMLButtonElement).textContent = "log in to apply";
+                (applyBtn as HTMLButtonElement).disabled = true;
             }
+            
         }
 
         unhideElementById(document, "mainContainer");
diff --git a/WebApp/wwwroot/js/eventView.js b/WebApp/wwwroot/js/eventView.js
index 1afa835..b50b8ac 100644
--- a/WebApp/wwwroot/js/eventView.js
+++ b/WebApp/wwwroot/js/eventView.js
@@ -65,13 +65,20 @@ document.addEventListener("DOMContentLoaded", () => __awaiter(void 0, void 0, vo
         }
         else if (org_id == -1) {
             // Użytkownik jest wolontariuszem
-            const registeredIds = yield getMyRegisteredEventIds();
-            const isRegistered = registeredIds.includes(Number(eventId));
-            if (isRegistered) {
-                unhideElementById(document, "leaveBtn");
+            try {
+                const registeredIds = yield getMyRegisteredEventIds();
+                const isRegistered = registeredIds.includes(Number(eventId));
+                if (isRegistered) {
+                    unhideElementById(document, "leaveBtn");
+                }
+                else {
+                    unhideElementById(document, "applyBtn");
+                }
             }
-            else {
+            catch (_b) {
                 unhideElementById(document, "applyBtn");
+                applyBtn.textContent = "log in to apply";
+                applyBtn.disabled = true;
             }
         }
         unhideElementById(document, "mainContainer");
@@ -107,33 +114,9 @@ document.addEventListener("DOMContentLoaded", () => __awaiter(void 0, void 0, vo
     }
     if (applyBtn) {
         applyBtn.addEventListener("click", (e) => __awaiter(void 0, void 0, void 0, function* () {
-            var _b;
-            try {
-                const response = yield fetch(`/api/events/join/${eventId}`, {
-                    method: "POST",
-                    headers: {
-                        "Content-Type": "application/json"
-                    },
-                });
-                const result = yield response.json();
-                if (result.success) {
-                    window.location.href = `/view.html?event=${eventId}`;
-                }
-                else {
-                    alert(`Error: ${(_b = result.error_msg) !== null && _b !== void 0 ? _b : "Unknown error occurred."}`);
-                }
-            }
-            catch (error) {
-                console.error("Failed to apply:", error);
-                alert("Failed to apply.");
-            }
-        }));
-    }
-    if (leaveBtn) {
-        leaveBtn.addEventListener("click", (e) => __awaiter(void 0, void 0, void 0, function* () {
             var _c;
             try {
-                const response = yield fetch(`/api/events/leave/${eventId}`, {
+                const response = yield fetch(`/api/events/join/${eventId}`, {
                     method: "POST",
                     headers: {
                         "Content-Type": "application/json"
@@ -147,6 +130,30 @@ document.addEventListener("DOMContentLoaded", () => __awaiter(void 0, void 0, vo
                     alert(`Error: ${(_c = result.error_msg) !== null && _c !== void 0 ? _c : "Unknown error occurred."}`);
                 }
             }
+            catch (error) {
+                console.error("Failed to apply:", error);
+                alert("Failed to apply.");
+            }
+        }));
+    }
+    if (leaveBtn) {
+        leaveBtn.addEventListener("click", (e) => __awaiter(void 0, void 0, void 0, function* () {
+            var _d;
+            try {
+                const response = yield fetch(`/api/events/leave/${eventId}`, {
+                    method: "POST",
+                    headers: {
+                        "Content-Type": "application/json"
+                    },
+                });
+                const result = yield response.json();
+                if (result.success) {
+                    window.location.href = `/view.html?event=${eventId}`;
+                }
+                else {
+                    alert(`Error: ${(_d = result.error_msg) !== null && _d !== void 0 ? _d : "Unknown error occurred."}`);
+                }
+            }
             catch (error) {
                 console.error("Failed to leave:", error);
                 alert("Failed to leave.");