diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d4d6fac0..a9bf8365 100755
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,7 +2,7 @@
 #ADD_LBPM_EXECUTABLE( lbpm_nonnewtonian_simulator ) 
 #ADD_LBPM_EXECUTABLE( lbpm_nondarcy_simulator )
 ADD_LBPM_EXECUTABLE( lbpm_color_simulator )
-#ADD_LBPM_EXECUTABLE( lbpm_permeability_simulator )
+ADD_LBPM_EXECUTABLE( lbpm_permeability_simulator )
 #ADD_LBPM_EXECUTABLE( lbpm_BGK_simulator )
 #ADD_LBPM_EXECUTABLE( lbpm_color_macro_simulator )
 ADD_LBPM_EXECUTABLE( lbpm_dfh_simulator )