diff --git a/scripts/Build-Pkg b/scripts/Build-Pkg
index d06cd479f..4ab2e8671 100755
--- a/scripts/Build-Pkg
+++ b/scripts/Build-Pkg
@@ -658,7 +658,7 @@ abort() {
 		done
 		echo "Running main build function '$mainfunction' ..."
 		if [ $xtrace -eq 1 -o $ROCKCFG_XTRACE -eq 1 ] ;	then
-			PS4=$'=[$FUNCNAME:$LINENO> ' ; set -o xtrace
+			PS4=$'=[$FUNCNAME:$LINENO (last \\\$?=$?)> ' ; set -o xtrace
 			cd $builddir ; eval "$mainfunction"
 			set +o xtrace
 		else