--- libreoffice-26.8.0.3/configure.ac
+++ libreoffice-26.8.0.3/configure.ac
@@ -14183,7 +14183,7 @@
 
     dnl Check for Meta Object Compiler
 
-    AC_PATH_PROGS( MOC5, [moc-qt5 moc], no, [`dirname $qt5_libdir`/bin:$QT5DIR/bin:$PATH])
+    AC_PATH_PROGS( MOC5, [moc-qt5 moc], no, [$QT5DIR/bin])
     if test "$MOC5" = "no"; then
         AC_MSG_ERROR([Qt Meta Object Compiler not found.  Please specify
 the root of your Qt installation by exporting QT5DIR before running "configure".])