diff --git a/changedetectionio/html_tools.py b/changedetectionio/html_tools.py
index 4f500e74..d251aebc 100644
--- a/changedetectionio/html_tools.py
+++ b/changedetectionio/html_tools.py
@@ -140,7 +140,7 @@ def strip_ignore_text(content, wordlist, mode="content"):
except Exception as e:
continue
- if not regex_matches and not any(skip_text in line for skip_text in ignore):
+ if not regex_matches and not any(skip_text.lower() in line.lower() for skip_text in ignore):
output.append(line.encode('utf8'))
else:
ignored_line_numbers.append(i)
diff --git a/changedetectionio/tests/test_ignore_text.py b/changedetectionio/tests/test_ignore_text.py
index 3acacb34..022c4f56 100644
--- a/changedetectionio/tests/test_ignore_text.py
+++ b/changedetectionio/tests/test_ignore_text.py
@@ -70,7 +70,7 @@ def set_modified_ignore_response():
Some initial text
Which is across multiple lines
- ZZZZZ
+ ZZZZz
So let's see what happens.
@@ -85,7 +85,8 @@ def set_modified_ignore_response():
def test_check_ignore_text_functionality(client, live_server):
sleep_time_for_fetch_thread = 3
- ignore_text = "XXXXX\r\nYYYYY\r\nZZZZZ\r\nnew ignore stuff"
+ # Use a mix of case in ZzZ to prove it works case-insensitive.
+ ignore_text = "XXXXX\r\nYYYYY\r\nzZzZZ\r\nnew ignore stuff"
set_original_ignore_response()
# Give the endpoint time to spin up