diff --git a/tests/data/test1151 b/tests/data/test1151
index 08658d8dbb..cc9c9b5235 100644
--- a/tests/data/test1151
+++ b/tests/data/test1151
@@ -53,7 +53,7 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
-<file name="log/cookies1151.txt">
+<file name="log/cookies1151.txt" mode="text">
 # Netscape HTTP Cookie File
 # https://curl.haxx.se/docs/http-cookies.html
 # This file was generated by libcurl! Edit at your own risk.
diff --git a/tests/data/test1155 b/tests/data/test1155
index 0eae2a9d48..9bf3254604 100644
--- a/tests/data/test1155
+++ b/tests/data/test1155
@@ -43,7 +43,7 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
-<file name="log/cookies1155.txt">
+<file name="log/cookies1155.txt" mode="text">
 # Netscape HTTP Cookie File
 # https://curl.haxx.se/docs/http-cookies.html
 # This file was generated by libcurl! Edit at your own risk.
diff --git a/tests/data/test1161 b/tests/data/test1161
index 1795313142..ee6f1d04ad 100644
--- a/tests/data/test1161
+++ b/tests/data/test1161
@@ -43,7 +43,7 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
-<file name="log/cookies1161.txt">
+<file name="log/cookies1161.txt" mode="text">
 # Netscape HTTP Cookie File
 # https://curl.haxx.se/docs/http-cookies.html
 # This file was generated by libcurl! Edit at your own risk.