diff --git a/docs/src/tutorial/custom-data.rst b/docs/src/tutorial/custom-data.rst
index 25945e2e4..bcede6f44 100644
--- a/docs/src/tutorial/custom-data.rst
+++ b/docs/src/tutorial/custom-data.rst
@@ -12,7 +12,7 @@ Prerequisites
 -------------
 
 1. :doc:`example-data`. This tutorial sets up the command line environment used in the following tutorial.
-2. `Register for a GISAID account <https://www.gisaid.org/registration/register/>`_, if you do not have one yet. However, registration may take a few days. Follow :doc:`alternative data preparation methods <../guides/data-prep/index>` in place of :ref:`custom-data-curate-data-from-gisaid`, if you wish to continue the following tutorial in the meantime.
+2. `Register for a GISAID account <https://gisaid.org/register//>`_, if you do not have one yet. However, registration may take a few days. Follow :doc:`alternative data preparation methods <../guides/data-prep/index>` in place of :ref:`custom-data-curate-data-from-gisaid`, if you wish to continue the following tutorial in the meantime.
 
 Setup
 -----
diff --git a/docs/src/tutorial/genomic-surveillance.rst b/docs/src/tutorial/genomic-surveillance.rst
index 6a322c3c9..1dc3dfae4 100644
--- a/docs/src/tutorial/genomic-surveillance.rst
+++ b/docs/src/tutorial/genomic-surveillance.rst
@@ -15,7 +15,7 @@ Prerequisites
 -------------
 
 1. :doc:`custom-data`. This tutorial introduces concepts expanded by the following tutorial.
-2. `Register for a GISAID account <https://www.gisaid.org/registration/register/>`_, if you do not have one yet. However, registration may take a few days. Follow :doc:`alternative data preparation methods <../guides/data-prep/index>` in place of :ref:`genomic-surveillance-curate-data-from-gisaid`, if you wish to continue the following tutorial in the meantime.
+2. `Register for a GISAID account <https://www.gisaid.org/registration/>`_, if you do not have one yet. However, registration may take a few days. Follow :doc:`alternative data preparation methods <../guides/data-prep/index>` in place of :ref:`genomic-surveillance-curate-data-from-gisaid`, if you wish to continue the following tutorial in the meantime.
 
 Setup
 -----
diff --git a/docs/src/tutorial/setup.rst b/docs/src/tutorial/setup.rst
index 5c37415fe..0be65b401 100644
--- a/docs/src/tutorial/setup.rst
+++ b/docs/src/tutorial/setup.rst
@@ -10,7 +10,7 @@ Register for a GISAID account
 -----------------------------
 
 Some tutorials rely on data downloaded from `GISAID <https://gisaid.org/>`_.
-If you do not already have one, `register for a GISAID account <https://www.gisaid.org/registration/register/>`_ now.
+If you do not already have one, `register for a GISAID account <https://www.gisaid.org/registration/>`_ now.
 Registration may take a few days.
 
 Install Nextstrain components