diff --git a/eb_hooks.py b/eb_hooks.py
index 2bdead4b73..9846a6aca1 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -61,10 +61,10 @@ def set_Pillow_envvars(ec):
     if ec.name == 'Pillow':
         os.environ['CPATH'] = os.pathsep + EESSI_CPATH
         os.environ['LIBRARY_PATH'] = os.pathsep + EESSI_LIB_PATH
-        print_msg("NOTE: For Pillow which has Szip as a dependancy, CPATH has been set to %s", os.getenv('CPATH'))
-        print_msg("NOTE: For Pillow which has Szip as a dependancy, LIBRARY_PATH has been set to %s", os.getenv('LIBRARY_PATH'))
-        ec.log.info("NOTE: For Pillow which has Szip as a dependancy, CPATH has been set to %s", os.getenv('CPATH'))
-        ec.log.info("NOTE: For Pillow which has Szip as a dependancy, LIBRARY_PATH has been set to %s", os.getenv('LIBRARY_PATH'))
+        print_msg("NOTE: For Pillow which has zlib as a dependancy, CPATH has been set to %s", os.getenv('CPATH'))
+        print_msg("NOTE: For Pillow which has zlib as a dependancy, LIBRARY_PATH has been set to %s", os.getenv('LIBRARY_PATH'))
+        ec.log.info("NOTE: For Pillow which has zlib as a dependancy, CPATH has been set to %s", os.getenv('CPATH'))
+        ec.log.info("NOTE: For Pillow which has zlib as a dependancy, LIBRARY_PATH has been set to %s", os.getenv('LIBRARY_PATH'))
 
 
 def parse_hook(ec, *args, **kwargs):