diff --git a/test/sumfact/poisson/CMakeLists.txt b/test/sumfact/poisson/CMakeLists.txt
index 70a9791ab3fe9e4ff667ac4447f1a2d4a6e376b7..35200593e09935681bf19032745ab26309b581ba 100644
--- a/test/sumfact/poisson/CMakeLists.txt
+++ b/test/sumfact/poisson/CMakeLists.txt
@@ -1,14 +1,14 @@
 # 1. Poisson Test Case with order 1
-dune_add_formcompiler_system_test(UFLFILE poisson_order1.ufl
-                                  BASENAME sumfact_poisson_order1
-                                  INIFILE poisson_order1.mini
+dune_add_formcompiler_system_test(UFLFILE poisson_2d_order1.ufl
+                                  BASENAME sumfact_poisson_2d_order1
+                                  INIFILE poisson_2d_order1.mini
                                   )
 
 
 # 1. Poisson Test Case with order 2
-dune_add_formcompiler_system_test(UFLFILE poisson_order2.ufl
-                                  BASENAME sumfact_poisson_order2
-                                  INIFILE poisson_order2.mini
+dune_add_formcompiler_system_test(UFLFILE poisson_2d_order2.ufl
+                                  BASENAME sumfact_poisson_2d_order2
+                                  INIFILE poisson_2d_order2.mini
                                   )
 
 # 3D Test cases
diff --git a/test/sumfact/poisson/poisson_order1.mini b/test/sumfact/poisson/poisson_2d_order1.mini
similarity index 88%
rename from test/sumfact/poisson/poisson_order1.mini
rename to test/sumfact/poisson/poisson_2d_order1.mini
index 7591840603d2880c21542f1f3df3d3c8a818ef73..339ae2c9b837bc78aace34be79fe03d54d82ab80 100644
--- a/test/sumfact/poisson/poisson_order1.mini
+++ b/test/sumfact/poisson/poisson_2d_order1.mini
@@ -1,4 +1,4 @@
-__name = sumfact_poisson_order1_{__exec_suffix}
+__name = sumfact_poisson_2d_order1_{__exec_suffix}
 __exec_suffix = {diff_suffix}_{vec_suffix}
 
 diff_suffix = numdiff, symdiff | expand num
diff --git a/test/sumfact/poisson/poisson_order1.ufl b/test/sumfact/poisson/poisson_2d_order1.ufl
similarity index 100%
rename from test/sumfact/poisson/poisson_order1.ufl
rename to test/sumfact/poisson/poisson_2d_order1.ufl
diff --git a/test/sumfact/poisson/poisson_order2.mini b/test/sumfact/poisson/poisson_2d_order2.mini
similarity index 88%
rename from test/sumfact/poisson/poisson_order2.mini
rename to test/sumfact/poisson/poisson_2d_order2.mini
index 8830f173ccb742221c987af29181938ee230f2d9..8bdf424c46a66ae0a0e2b1a1da257eede4975789 100644
--- a/test/sumfact/poisson/poisson_order2.mini
+++ b/test/sumfact/poisson/poisson_2d_order2.mini
@@ -1,4 +1,4 @@
-__name = sumfact_poisson_order2_{__exec_suffix}
+__name = sumfact_poisson_2d_order2_{__exec_suffix}
 __exec_suffix = {diff_suffix}_{vec_suffix}
 
 diff_suffix = numdiff, symdiff | expand num
diff --git a/test/sumfact/poisson/poisson_order2.ufl b/test/sumfact/poisson/poisson_2d_order2.ufl
similarity index 100%
rename from test/sumfact/poisson/poisson_order2.ufl
rename to test/sumfact/poisson/poisson_2d_order2.ufl