diff --git a/test/scripts/run-piglit.sh b/test/scripts/run-piglit.sh
index 3623a05c1..b999c2598 100755
--- a/test/scripts/run-piglit.sh
+++ b/test/scripts/run-piglit.sh
@@ -38,7 +38,7 @@ if test "x$SERVER_COMMAND" = "x"; then
     exit 1
 fi
 
-startx \
+$XSERVER_BUILDDIR/test/simple-xinit \
     $XSERVER_DIR/test/scripts/xinit-piglit-session.sh \
     -- \
     $SERVER_COMMAND