diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index b0a1fc3..eccb85d 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -52,7 +52,10 @@ if [ -z "$STATSZ" ]; then
 fi
 
 # Help things find the libfdt shared object
-export LD_LIBRARY_PATH=../libfdt
+if [ -z "$TEST_LIBDIR" ]; then
+    TEST_LIBDIR=../libfdt
+fi
+export LD_LIBRARY_PATH="$TEST_LIBDIR"
 
 export QUIET_TEST=1
 STOP_ON_FAIL=0
diff --git a/tests/testutils.sh b/tests/testutils.sh
index 8dda6e1..6b2f0d1 100644
--- a/tests/testutils.sh
+++ b/tests/testutils.sh
@@ -18,11 +18,15 @@ FAIL_IF_SIGNAL () {
     fi
 }
 
-DTC=../dtc
-DTGET=../fdtget
-DTPUT=../fdtput
-FDTDUMP=../fdtdump
-FDTOVERLAY=../fdtoverlay
+if [ -z "$TEST_BINDIR" ]; then
+    TEST_BINDIR=..
+fi
+
+DTC=${TEST_BINDIR}/dtc
+DTGET=${TEST_BINDIR}/fdtget
+DTPUT=${TEST_BINDIR}/fdtput
+FDTDUMP=${TEST_BINDIR}/fdtdump
+FDTOVERLAY=${TEST_BINDIR}/fdtoverlay
 
 verbose_run () {
     if [ -z "$QUIET_TEST" ]; then