diff --git a/scripts/dev/check_coverage.py b/scripts/dev/check_coverage.py
index e2fb79f43..e0b78a5c7 100644
--- a/scripts/dev/check_coverage.py
+++ b/scripts/dev/check_coverage.py
@@ -133,6 +133,12 @@ PERFECT_FILES = [
 ]
 
 
+# 100% coverage because of integration tests, but no perfect unit tests yet.
+WHITELISTED_FILES = [
+    'qutebrowser/mainwindow/statusbar/prompt.py'
+]
+
+
 class Skipped(Exception):
 
     """Exception raised when skipping coverage checks."""
@@ -199,7 +205,8 @@ def check(fileobj, perfect_files):
             text = "{} has {}% line and {}% branch coverage!".format(
                 filename, line_cov, branch_cov)
             messages.append(Message(MsgType.insufficent_coverage, text))
-        elif filename not in perfect_src_files and not is_bad:
+        elif (filename not in perfect_src_files and not is_bad and
+                filename not in WHITELISTED_FILES):
             text = ("{} has 100% coverage but is not in "
                     "perfect_files!".format(filename))
             messages.append(Message(MsgType.perfect_file, text))