diff --git a/tests/test_eccodes.py b/tests/test_eccodes.py
index 82693d8..aee0f1c 100644
--- a/tests/test_eccodes.py
+++ b/tests/test_eccodes.py
@@ -576,7 +576,7 @@ def test_grib_ecc_1007():
 
 def test_grib_set_bitmap():
     gid = eccodes.codes_grib_new_from_samples("GRIB2")
-    missing = np.Infinity
+    missing = np.inf
     eccodes.codes_set(gid, "bitmapPresent", 1)
     eccodes.codes_set(gid, "missingValue", missing)
     # Grid with 100 points 2 of which are missing