diff --git a/Exec/RegTests/CMakeLists.txt b/Exec/RegTests/CMakeLists.txt
index 76845a02..7ae937db 100644
--- a/Exec/RegTests/CMakeLists.txt
+++ b/Exec/RegTests/CMakeLists.txt
@@ -3,7 +3,9 @@ if(PELELMEX_ENABLE_EB)
   add_subdirectory(EB_EnclosedFlame)
   add_subdirectory(EB_EnclosedVortex)
   add_subdirectory(EB_FlowPastCylinder)
-  add_subdirectory(EB_PipeFlow)
+  if(PELELMEX_DIM GREATER 2)
+    add_subdirectory(EB_PipeFlow)
+  endif()
 else()
   if(PELELMEX_ENABLE_RADIATION)
     add_subdirectory(SootRadTest)