diff --git a/atst/routes/requests/financial_verification.py b/atst/routes/requests/financial_verification.py
index c7806ccb..a2b70eec 100644
--- a/atst/routes/requests/financial_verification.py
+++ b/atst/routes/requests/financial_verification.py
@@ -203,7 +203,7 @@ def financial_verification(request_id):
     ).execute()
 
     if request.review_comment:
-        flash("request_review_comment", {"comment": request.review_comment})
+        flash("request_review_comment", comment=request.review_comment)
 
     return render_template(
         "requests/financial_verification.html",
diff --git a/atst/routes/requests/index.py b/atst/routes/requests/index.py
index 67ed7064..55967ecf 100644
--- a/atst/routes/requests/index.py
+++ b/atst/routes/requests/index.py
@@ -102,6 +102,6 @@ def requests_index():
     context = RequestsIndex(g.current_user).execute()
 
     if context.get("num_action_required"):
-        flash("requests_action_required", {"count": context.get("num_action_required")})
+        flash("requests_action_required", count=context.get("num_action_required"))
 
     return render_template("requests/index.html", **context)
diff --git a/atst/routes/requests/requests_form.py b/atst/routes/requests/requests_form.py
index e8d2647d..98c25596 100644
--- a/atst/routes/requests/requests_form.py
+++ b/atst/routes/requests/requests_form.py
@@ -62,7 +62,7 @@ def requests_form_update(screen=1, request_id=None):
         flash("request_incomplete")
 
     if request.review_comment:
-        flash("request_review_comment", {"comment": request.review_comment})
+        flash("request_review_comment", comment=request.review_comment)
 
     return render_template(
         "requests/screen-%d.html" % int(screen),
diff --git a/atst/routes/workspaces/invitations.py b/atst/routes/workspaces/invitations.py
index 6e35be31..6268c5d0 100644
--- a/atst/routes/workspaces/invitations.py
+++ b/atst/routes/workspaces/invitations.py
@@ -41,5 +41,5 @@ def revoke_invitation(workspace_id, token):
 def resend_invitation(workspace_id, token):
     invite = Invitations.resend(g.current_user, workspace_id, token)
     send_invite_email(g.current_user.full_name, invite.token, invite.email)
-    flash("resent_workspace_invitation", {"user_name": invite.user_name})
+    flash("resent_workspace_invitation", user_name=invite.user_name)
     return redirect(url_for("workspaces.workspace_members", workspace_id=workspace_id))
diff --git a/atst/routes/workspaces/members.py b/atst/routes/workspaces/members.py
index 8d6e9e94..01be80e0 100644
--- a/atst/routes/workspaces/members.py
+++ b/atst/routes/workspaces/members.py
@@ -76,10 +76,7 @@ def create_member(workspace_id):
             invite = Invitations.create(user, new_member, form.data["email"])
             send_invite_email(g.current_user.full_name, invite.token, invite.email)
 
-            flash(
-                "new_workspace_member",
-                {"new_member": new_member, "workspace": workspace},
-            )
+            flash("new_workspace_member", new_member=new_member, workspace=workspace)
 
             return redirect(
                 url_for("workspaces.workspace_members", workspace_id=workspace.id)
@@ -162,7 +159,8 @@ def update_member(workspace_id, member_id):
 
         flash(
             "workspace_role_updated",
-            {"member_name": member.user_name, "updated_role": new_role_name},
+            member_name=member.user_name,
+            updated_role=new_role_name,
         )
 
         return redirect(
@@ -182,5 +180,5 @@ def update_member(workspace_id, member_id):
 )
 def revoke_access(workspace_id, member_id):
     revoked_role = Workspaces.revoke_access(g.current_user, workspace_id, member_id)
-    flash("revoked_workspace_access", {"member_name": revoked_role.user.full_name})
+    flash("revoked_workspace_access", member_name=revoked_role.user.full_name)
     return redirect(url_for("workspaces.workspace_members", workspace_id=workspace_id))
diff --git a/atst/utils/flash.py b/atst/utils/flash.py
index e5dc8c7a..98612ea9 100644
--- a/atst/utils/flash.py
+++ b/atst/utils/flash.py
@@ -99,9 +99,8 @@ MESSAGES = {
 }
 
 
-def formatted_flash(message_name, message_args=None):
+def formatted_flash(message_name, **message_args):
     config = MESSAGES[message_name]
-    args = message_args or {}
-    title = render_template_string(config["title_template"], **args)
-    message = render_template_string(config["message_template"], **args)
+    title = render_template_string(config["title_template"], **message_args)
+    message = render_template_string(config["message_template"], **message_args)
     flash({"title": title, "message": message}, config["category"])
diff --git a/tests/utils/test_flash.py b/tests/utils/test_flash.py
new file mode 100644
index 00000000..74727bee
--- /dev/null
+++ b/tests/utils/test_flash.py
@@ -0,0 +1,10 @@
+from atst.utils.flash import formatted_flash as flash
+from flask import get_flashed_messages
+
+
+def test_flash_message():
+    flash("revoked_workspace_access", member_name="Lando")
+    messages = get_flashed_messages()
+    message_info = messages[0]
+    assert "message" in message_info
+    assert "Lando" in message_info["message"]