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-rw-r--r--wsd/FileServer.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/wsd/FileServer.cpp b/wsd/FileServer.cpp
index 0fb30990e9..c20e29d3ae 100644
--- a/wsd/FileServer.cpp
+++ b/wsd/FileServer.cpp
@@ -892,7 +892,7 @@ void FileServerRequestHandler::preprocessFile(const HTTPRequest& request,
// X-Frame-Options supports only one ancestor, ignore that
//(it's deprecated anyway and CSP works in all major browsers)
// frame anchestors are also allowed for img-src in order to load the views avatars
- cspOss << imgSrc << frameAncestors << "; "
+ cspOss << imgSrc << " " << frameAncestors << "; "
<< "frame-ancestors " << frameAncestors;
std::string escapedFrameAncestors;
Poco::URI::encode(frameAncestors, "'", escapedFrameAncestors);