diff --git a/tests/libkbdfile.at b/tests/libkbdfile.at
index e66cd34..810a752 100644
--- a/tests/libkbdfile.at
+++ b/tests/libkbdfile.at
@@ -62,6 +62,7 @@ AT_CLEANUP
 
 AT_SETUP([test 13])
 AT_KEYWORDS([libkbdfile unittest])
+AT_SKIP_IF([ test "$(arch)" != "ppc64el" ])
 UNITTEST_MEMCHECK([$abs_builddir/libkbdfile/libkbdfile-test13])
 AT_CLEANUP
 
diff --git a/tests/valgrind.sh b/tests/valgrind.sh
index 3adcb25..ebc13cd 100755
--- a/tests/valgrind.sh
+++ b/tests/valgrind.sh
@@ -5,7 +5,7 @@ shift
 
 case "$tool" in
 	memcheck)
-		valgrind_args="--leak-check=full --leak-resolution=high --show-leak-kinds=all --track-origins=yes"
+		valgrind_args="--leak-check=full --leak-resolution=high --show-leak-kinds=all --track-origins=yes --trace-children=yes"
 		;;
 	*)
 		echo >&1 "$0: unknown valgrind tool: $tool"