diff --git a/var/spack/repos/builtin/packages/trilinos/package.py b/var/spack/repos/builtin/packages/trilinos/package.py
index 83032de1d28..9a2be4036b9 100644
--- a/var/spack/repos/builtin/packages/trilinos/package.py
+++ b/var/spack/repos/builtin/packages/trilinos/package.py
@@ -53,9 +53,9 @@ class Trilinos(CMakePackage):
     version('xsdk-0.2.0',
             git='https://github.com/trilinos/Trilinos.git', tag='xsdk-0.2.0')
     version('develop',
-            git='https://github.com/trilinos/Trilinos.git', tag='develop')
+            git='https://github.com/trilinos/Trilinos.git', branch='develop')
     version('master',
-            git='https://github.com/trilinos/Trilinos.git', tag='master')
+            git='https://github.com/trilinos/Trilinos.git', branch='master')
     version('12.12.1', 'ecd4606fa332212433c98bf950a69cc7')
     version('12.10.1', '667333dbd7c0f031d47d7c5511fd0810')
     version('12.8.1', '9f37f683ee2b427b5540db8a20ed6b15')