diff --git a/cps/__init__.py b/cps/__init__.py
index 1ba1f778..d9980778 100644
--- a/cps/__init__.py
+++ b/cps/__init__.py
@@ -140,7 +140,7 @@ def create_app():
         web_server.stop(True)
         sys.exit(7)
     for res in dependency_check() + dependency_check(True):
-        log.info('*** "{}" version does not fit the requirements. '
+        log.info('*** "{}" version does not meet the requirements. '
                  'Should: {}, Found: {}, please consider installing required version ***'
                  .format(res['name'],
                          res['target'],
diff --git a/cps/metadata_provider/google.py b/cps/metadata_provider/google.py
index c5522533..ba7e10af 100644
--- a/cps/metadata_provider/google.py
+++ b/cps/metadata_provider/google.py
@@ -19,6 +19,7 @@
 # Google Books api document: https://developers.google.com/books/docs/v1/using
 from typing import Dict, List, Optional
 from urllib.parse import quote
+from datetime import datetime
 
 import requests
 
@@ -81,7 +82,11 @@ class Google(Metadata):
         match.description = result["volumeInfo"].get("description", "")
         match.languages = self._parse_languages(result=result, locale=locale)
         match.publisher = result["volumeInfo"].get("publisher", "")
-        match.publishedDate = result["volumeInfo"].get("publishedDate", "")
+        try:
+            datetime.strptime(result["volumeInfo"].get("publishedDate", ""), "%Y-%m-%d")
+            match.publishedDate = result["volumeInfo"].get("publishedDate", "")
+        except ValueError:
+            match.publishedDate = ""
         match.rating = result["volumeInfo"].get("averageRating", 0)
         match.series, match.series_index = "", 1
         match.tags = result["volumeInfo"].get("categories", [])
diff --git a/cps/web.py b/cps/web.py
index 7f2f2b41..036681ea 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -85,13 +85,15 @@ def add_security_headers(resp):
     csp += " 'unsafe-inline' 'unsafe-eval'; font-src 'self' data:; img-src 'self'"
     if request.path.startswith("/author/") and config.config_use_goodreads:
         csp += " images.gr-assets.com i.gr-assets.com s.gr-assets.com"
-    csp += " blob: data:;"
-    csp += " object-src 'none';"
-    resp.headers['Content-Security-Policy'] = csp
+    csp += " data:"
     if request.endpoint == "edit-book.show_edit_book" or config.config_use_google_drive:
-        resp.headers['Content-Security-Policy'] += " *"
+        csp += " *;"
     elif request.endpoint == "web.read_book":
-        resp.headers['Content-Security-Policy'] += " style-src-elem 'self' blob: 'unsafe-inline';"
+        csp += " style-src-elem 'self' blob: 'unsafe-inline';"
+    else:
+        csp += ";"
+    csp += "object-src: 'none';"
+    resp.headers['Content-Security-Policy'] = csp
     resp.headers['X-Content-Type-Options'] = 'nosniff'
     resp.headers['X-Frame-Options'] = 'SAMEORIGIN'
     resp.headers['X-XSS-Protection'] = '1; mode=block'