diff --git a/Riot/Modules/Authentication/SSO/SSOAuthenticationService.swift b/Riot/Modules/Authentication/SSO/SSOAuthenticationService.swift
index a0282c7425..706c3782d1 100644
--- a/Riot/Modules/Authentication/SSO/SSOAuthenticationService.swift
+++ b/Riot/Modules/Authentication/SSO/SSOAuthenticationService.swift
@@ -50,7 +50,7 @@ final class SSOAuthenticationService: NSObject {
         
         var ssoRedirectPath = SSOURLConstants.Paths.redirect
         
-        if let identityProvider = identityProvider {
+        if let identityProvider = identityProvider, !identityProvider.isEmpty {
             ssoRedirectPath.append("/\(identityProvider)")
         }
         
diff --git a/changelog.d/pr-7639.bugfix b/changelog.d/pr-7639.bugfix
new file mode 100644
index 0000000000..9bbf73b236
--- /dev/null
+++ b/changelog.d/pr-7639.bugfix
@@ -0,0 +1 @@
+Fix bug in SSO URL generation that was non-compliant with the spec.
\ No newline at end of file