diff --git a/pygsp/tests/test_graphs.py b/pygsp/tests/test_graphs.py
index <HASH>..<HASH> 100644
--- a/pygsp/tests/test_graphs.py
+++ b/pygsp/tests/test_graphs.py
@@ -764,7 +764,7 @@ class TestImportExport(unittest.TestCase):
         graph = graphs.BarabasiAlbert(N=100, seed=42)
         rng = np.random.default_rng(42)
         signal1 = rng.normal(0, 1, graph.N)
-        signal2 = rng.integers(0, 1, graph.N)
+        signal2 = rng.integers(0, 10, graph.N)
         graph.set_signal(signal1, "signal1")
         graph.set_signal(signal2, "signal2")
         graph_nx = graph.to_networkx()
@@ -780,7 +780,7 @@ class TestImportExport(unittest.TestCase):
         g = graphs.Logo()
         rng = np.random.default_rng(42)
         s = rng.normal(0, 1, size=g.N)
-        s2 = rng.integers(0, 1, size=g.N)
+        s2 = rng.integers(0, 10, size=g.N)
         g.set_signal(s, "signal1")
         g.set_signal(s2, "signal2")
         g_gt = g.to_graphtool()
tests: fix import/export integer signals