diff --git a/tests/cb_mux/tests/01-run.py b/tests/cb_mux/tests/01-run.py
index d501e26601605e988f398fbe9d6b3f7bacb5e5e6..969728f79a1ab54473b5e674dc525c14cb2acb45 100755
--- a/tests/cb_mux/tests/01-run.py
+++ b/tests/cb_mux/tests/01-run.py
@@ -39,6 +39,6 @@ def testfunc(child):
 
 
 if __name__ == "__main__":
-    sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+    sys.path.append(os.path.join(os.environ['RIOTTOOLS'], 'testrunner'))
     from testrunner import run
     sys.exit(run(testfunc))
diff --git a/tests/cb_mux_bench/tests/01-run.py b/tests/cb_mux_bench/tests/01-run.py
index 23896a9dfe4a0e1678d3bc492324d7a527a10f5a..1f8ac8bcd31e9002417221a67bc082b8ca0606d1 100755
--- a/tests/cb_mux_bench/tests/01-run.py
+++ b/tests/cb_mux_bench/tests/01-run.py
@@ -20,6 +20,6 @@ def testfunc(child):
 
 
 if __name__ == "__main__":
-    sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+    sys.path.append(os.path.join(os.environ['RIOTTOOLS'], 'testrunner'))
     from testrunner import run
     sys.exit(run(testfunc))
diff --git a/tests/pkg_tinycbor/tests/01-run.py b/tests/pkg_tinycbor/tests/01-run.py
index 87ed1fce48700919d24db9b31a0512d5a50de00c..05dcbec1d2d368f8f989d42cec52245e48eddfe1 100755
--- a/tests/pkg_tinycbor/tests/01-run.py
+++ b/tests/pkg_tinycbor/tests/01-run.py
@@ -16,7 +16,6 @@ def testfunc(child):
 
 
 if __name__ == "__main__":
-    sys.path.append(os.path.join(os.environ['RIOTBASE'],
-                                 'dist/tools/testrunner'))
+    sys.path.append(os.path.join(os.environ['RIOTTOOLS'], 'testrunner'))
     from testrunner import run
     sys.exit(run(testfunc))
diff --git a/tests/thread_race/tests/01-run.py b/tests/thread_race/tests/01-run.py
index de6faabb3c8296e73fa6a5e61a55ba433be7ea04..33bc6ecaa07c81a909844a2ef2f46873e9de64be 100755
--- a/tests/thread_race/tests/01-run.py
+++ b/tests/thread_race/tests/01-run.py
@@ -21,6 +21,6 @@ def testfunc(child):
 
 
 if __name__ == "__main__":
-    sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+    sys.path.append(os.path.join(os.environ['RIOTTOOLS'], 'testrunner'))
     from testrunner import run
     sys.exit(run(testfunc))