Index: libreoffice-6.1.0.0.beta2/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker_ipc.cxx
===================================================================
--- libreoffice-6.1.0.0.beta2.orig/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker_ipc.cxx
+++ libreoffice-6.1.0.0.beta2/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker_ipc.cxx
@@ -58,7 +58,7 @@ OUString applicationDirPath()
     const auto utf8Path = applicationSystemPath.toUtf8();
     auto ret = boost::filesystem::path(utf8Path.getStr(), utf8Path.getStr() + utf8Path.getLength());
     ret.remove_filename();
-    return OUString::fromUtf8(OString(ret.c_str(), ret.size()));
+    return OUString::fromUtf8(OString(ret.c_str(), strlen(ret.c_str())));
 }
 
 OUString findPickerExecutable()