diff -up qtbase-opensource-src-5.6.1/src/corelib/plugin/qlibrary_unix.cpp.me qtbase-opensource-src-5.6.1/src/corelib/plugin/qlibrary_unix.cpp
--- qtbase-opensource-src-5.6.1/src/corelib/plugin/qlibrary_unix.cpp.me	2020-04-21 13:17:55.832913725 +0200
+++ qtbase-opensource-src-5.6.1/src/corelib/plugin/qlibrary_unix.cpp	2020-04-21 13:18:48.977599839 +0200
@@ -210,6 +210,8 @@ bool QLibraryPrivate::load_sys()
         for(int suffix = 0; retry && !pHnd && suffix < suffixes.size(); suffix++) {
             if (!prefixes.at(prefix).isEmpty() && name.startsWith(prefixes.at(prefix)))
                 continue;
+            if (path.isEmpty() && prefixes.at(prefix).contains(QLatin1Char('/')))
+                continue;
             if (!suffixes.at(suffix).isEmpty() && name.endsWith(suffixes.at(suffix)))
                 continue;
             if (loadHints & QLibrary::LoadArchiveMemberHint) {