diff --git a/Custom_Hooks/eb_hooks.py b/Custom_Hooks/eb_hooks.py
index a2cad0853b87f37a20a38fc2697489f840f9f104..53a0fce9683e094783961c197993b8e39635cd18 100644
--- a/Custom_Hooks/eb_hooks.py
+++ b/Custom_Hooks/eb_hooks.py
@@ -72,13 +72,13 @@ VETOED_INSTALLATIONS = {
 }
 
 TWEAKABLE_DEPENDENCIES = {
-    #'Boost': '1.78.0',
-    #'Boost.Python': '1.78.0',
+    # 'Boost': '1.78.0',
+    # 'Boost.Python': '1.78.0',
     'CUDA': '11.7',
     'glu': ('OpenGL', '2022a'),
     'glew': ('OpenGL', '2022a'),
     'libglvnd': ('OpenGL', '2022a'),
-    #'libxc': '5.1.7',
+    # 'libxc': '5.1.7',
     'Mesa': ('OpenGL', '2022a'),
     'NCCL': 'default',
     'pkg-config': ('pkgconf', '1.8.0'),
@@ -110,7 +110,7 @@ def installation_vetoer(ec):
     system_name = os.getenv('LMOD_SYSTEM_NAME')
     if system_name is None:
         with open('/etc/FZJ/systemname') as sn:
-            system_name = sn.read()
+            system_name = sn.read().strip()
     if name in VETOED_INSTALLATIONS[system_name]:
         print_warning(
             "\nYou are attempting to install software that should not be installed in this system.\n"