diff --git a/generator.py b/generator.py
index 14c231c..5a29eea 100644
--- a/generator.py
+++ b/generator.py
@@ -964,7 +964,7 @@ class MTChunks:
                     line = ins.readline()
                     if line:
                         line_lower = line.lower()
-                        if " lock " in line_lower or "/lock " in line_lower
+                        if (" lock " in line_lower) or ("/lock " in line_lower):
                             is_locked = True
                             lock_line = line
                             result = None
diff --git a/singleimage.py b/singleimage.py
index fcc9194..aa95f40 100644
--- a/singleimage.py
+++ b/singleimage.py
@@ -91,7 +91,7 @@ class ChunkymapOfflineRenderer:
                 line = ins.readline()
                 if line:
                     line_lower = line.lower()
-                    if " lock " in line_lower or "/lock " in line_lower
+                    if (" lock " in line_lower) or ("/lock " in line_lower):
                         is_locked = True
                         lock_line = line
                         result = None