diff --git a/.gitignore b/.gitignore
index 39f38f7..cbb1a75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,6 @@ __pycache__
 .tox
 .eggs
 *~
+
+# geckodriver.log
+*.log
diff --git a/basicswap/ui/page_offers.py b/basicswap/ui/page_offers.py
index f2b9559..d8fc217 100644
--- a/basicswap/ui/page_offers.py
+++ b/basicswap/ui/page_offers.py
@@ -41,6 +41,9 @@ from basicswap.chainparams import (
 )
 
 
+default_chart_api_key = '95dd900af910656e0e17c41f2ddc5dba77d01bf8b0e7d2787634a16bd976c553'
+
+
 def value_or_none(v):
     if v == -1 or v == '-1':
         return None
@@ -445,7 +448,7 @@ def page_newoffer(self, url_split, post_string):
     chart_api_key = swap_client.settings.get('chart_api_key', '')
     if chart_api_key == '':
         chart_api_key_enc = swap_client.settings.get('chart_api_key_enc', '')
-        chart_api_key = '95dd900af910656e0e17c41f2ddc5dba77d01bf8b0e7d2787634a16bd976c553' if chart_api_key_enc == '' else bytes.fromhex(chart_api_key_enc).decode('utf-8')
+        chart_api_key = default_chart_api_key if chart_api_key_enc == '' else bytes.fromhex(chart_api_key_enc).decode('utf-8')
 
     return self.render_template(template, {
         'messages': messages,
@@ -746,7 +749,7 @@ def page_offers(self, url_split, post_string, sent=False):
     chart_api_key = swap_client.settings.get('chart_api_key', '')
     if chart_api_key == '':
         chart_api_key_enc = swap_client.settings.get('chart_api_key_enc', '')
-        chart_api_key = 'cd7600e7b5fdd99c6f900673ff0ee8f64d6d4219a4bb87191ad4a2e3fc65d7f4' if chart_api_key_enc == '' else bytes.fromhex(chart_api_key_enc).decode('utf-8')
+        chart_api_key = default_chart_api_key if chart_api_key_enc == '' else bytes.fromhex(chart_api_key_enc).decode('utf-8')
 
     template = server.env.get_template('offers.html')
     return self.render_template(template, {
diff --git a/tests/basicswap/selenium/test_settings.py b/tests/basicswap/selenium/test_settings.py
index c409861..ee5b27e 100644
--- a/tests/basicswap/selenium/test_settings.py
+++ b/tests/basicswap/selenium/test_settings.py
@@ -14,6 +14,7 @@ from selenium.webdriver.support.select import Select
 from selenium.webdriver.support import expected_conditions as EC
 
 from util import get_driver
+from basicswap.ui.page_offers import default_chart_api_key
 
 
 def test_settings(driver):
@@ -77,7 +78,7 @@ def test_settings(driver):
     chart_api_key = bytes.fromhex(settings.get('chart_api_key_enc', '')).decode('utf-8')
     assert (chart_api_key == difficult_text)
 
-    hex_text = '95dd900af910656e0e17c41f2ddc5dba77d01bf8b0e7d2787634a16bd976c553'
+    hex_text = default_chart_api_key
     el = driver.find_element(By.NAME, 'chartapikey')
     el.clear()
     el.send_keys(hex_text)