diff --git a/Makefile b/Makefile
index 859e3d9..6bc02d4 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,8 @@ $(PAGES_DIR)/list.chtml: $(PAGES_DIR)/list.html
 	./filec $< data_list_html > $@
 $(PAGES_DIR)/lists.chtml: $(PAGES_DIR)/lists.html
 	./filec $< data_lists_html > $@
+$(PAGES_DIR)/error.chtml: $(PAGES_DIR)/error.html
+	./filec $< data_error_html > $@
 
 $(MASTODONT_DIR): 
 	git clone $(MASTODONT_URL) || true
diff --git a/src/error.c b/src/error.c
new file mode 100644
index 0000000..723bd6e
--- /dev/null
+++ b/src/error.c
@@ -0,0 +1,32 @@
+/*
+ * RatFE - Lightweight frontend for Pleroma
+ * Copyright (C) 2022 Nekobit
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "error.h"
+#include "easprintf.h"
+
+// Pages
+#include "../static/error.chtml"
+
+char* construct_error(char* error, size_t* size)
+{
+    char* error_html;
+    size_t s = easprintf(&error_html, data_error_html,
+                         error);
+    if (size) *size = s;
+    return error_html;
+}
diff --git a/src/error.h b/src/error.h
new file mode 100644
index 0000000..96c8aa1
--- /dev/null
+++ b/src/error.h
@@ -0,0 +1,25 @@
+/*
+ * RatFE - Lightweight frontend for Pleroma
+ * Copyright (C) 2022 Nekobit
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef ERROR_H
+#define ERROR_H
+#include <stddef.h>
+
+char* construct_error(char* message, size_t* size);
+
+#endif // ERROR_H
diff --git a/src/index.c b/src/index.c
index a21f8ba..e24035f 100644
--- a/src/index.c
+++ b/src/index.c
@@ -34,10 +34,10 @@ void content_index(mastodont_t* api)
     int cleanup = 0;
     size_t status_count, statuses_html_count;
     struct mstdnt_status* statuses;
-    struct mstdnt_storage storage;
+    struct mstdnt_storage storage = { 0 };
     char* status_format, *post_box;
     char* output = NULL;
-    
+
     try_post_status(api);
     
     if (mastodont_timeline_public(api, NULL, &storage, &statuses, &status_count))
diff --git a/src/lists.c b/src/lists.c
index e487ee3..f47d665 100644
--- a/src/lists.c
+++ b/src/lists.c
@@ -66,7 +66,7 @@ void content_lists(mastodont_t* api, char** data, size_t size)
     int cleanup = 0;
     struct mstdnt_list* lists;
     size_t size_list;
-    struct mstdnt_storage storage;
+    struct mstdnt_storage storage = { 0 };
     char* lists_format;
     char* lists_page = NULL;
 
diff --git a/src/login.c b/src/login.c
index 073054d..4fa4cab 100644
--- a/src/login.c
+++ b/src/login.c
@@ -22,6 +22,8 @@
 #include "query.h"
 #include "base_page.h"
 #include "login.h"
+#include "error.h"
+#include "easprintf.h"
 #include "../config.h"
 
 // Files
@@ -29,9 +31,11 @@
 
 void content_login(mastodont_t* api, char** data, size_t data_size)
 {
-    struct mstdnt_storage storage, oauth_store;
+    struct mstdnt_storage storage = { 0 }, oauth_store = { 0 };
     struct mstdnt_app app;
     struct mstdnt_oauth_token token;
+    char* error = NULL;
+    char* page;
 
     if (post.username && post.password)
     {
@@ -49,23 +53,39 @@ void content_login(mastodont_t* api, char** data, size_t data_size)
             .grant_type = "password",
             .client_id = app.client_id,
             .client_secret = app.client_secret,
+            .redirect_uri = NULL,
+            .scope = NULL,
+            .code = NULL,
             .username = post.username,
             .password = post.password
         };
-    
-        mastodont_obtain_oauth_token(api, &args_token, &oauth_store,
-                                     &token);
-        // TODO checking, also ^ returns non-zero
-        printf("Set-Cookie: access_token=%s; HttpOnly; SameSite=Strict;\r\n", token.access_token);
-        printf("Set-Cookie: logged_in=t; SameSite=Strict\r\n");
+
+        if (mastodont_obtain_oauth_token(api, &args_token, &oauth_store,
+                                         &token) == 1)
+        {
+            error = construct_error(oauth_store.error, NULL);
+        }
+        else {
+            // TODO checking, also ^ returns non-zero
+            printf("Set-Cookie: access_token=%s; HttpOnly; SameSite=Strict;\r\n", token.access_token);
+            printf("Set-Cookie: logged_in=t; SameSite=Strict\r\n");
+            printf("Location: %s/\r\n", config_url_prefix);
+        }
     }
+    easprintf(&page, "%s%s", error ? error : "", data_login_html);
 
     struct base_page b = {
         .locale = L10N_EN_US,
-        .content = data_login_html,
+        .content = page,
         .sidebar_right = NULL
     };
 
     // Output
     render_base_page(&b);
+
+    // Cleanup
+    mastodont_storage_cleanup(&storage);
+    mastodont_storage_cleanup(&oauth_store);
+    if (error) free(error);
+    if (page) free(page);
 }
diff --git a/static/error.html b/static/error.html
new file mode 100644
index 0000000..eb5f005
--- /dev/null
+++ b/static/error.html
@@ -0,0 +1 @@
+<span class="error">%s</span>