diff --git a/technology/freepdk45/tech/tech.py b/technology/freepdk45/tech/tech.py
index c60abeb5..f91be16c 100644
--- a/technology/freepdk45/tech/tech.py
+++ b/technology/freepdk45/tech/tech.py
@@ -9,7 +9,7 @@ import os
 from design_rules import *
 from module_type import *
 from custom_cell_properties import cell_properties
-
+from custom_module_properties import module_properties
 """
 File containing the process technology parameters for FreePDK 45nm.
 """
@@ -25,6 +25,7 @@ File containing the process technology parameters for FreePDK 45nm.
 # For example: tech_modules['contact'] = 'contact_freepdk45'
 tech_modules = module_type()
 
+module_properties = module_properties()
 ###################################################
 # Custom cell properties
 ###################################################
diff --git a/technology/scn4m_subm/tech/tech.py b/technology/scn4m_subm/tech/tech.py
index 7c360d38..bb379478 100644
--- a/technology/scn4m_subm/tech/tech.py
+++ b/technology/scn4m_subm/tech/tech.py
@@ -9,6 +9,7 @@ import os
 from design_rules import *
 from module_type import *
 from custom_cell_properties import cell_properties
+from custom_module_properties import module_properties
 
 """
 File containing the process technology parameters for SCMOS 4m, 0.35um
@@ -24,6 +25,7 @@ File containing the process technology parameters for SCMOS 4m, 0.35um
 # implementation in '$OPENRAM_TECHDIR/modules/'
 # For example: tech_modules['contact'] = 'contact_scn4m'
 tech_modules = module_type()
+module_properties = module_properties()
 
 ###################################################
 # Custom cell properties