diff --git a/pygmt/helpers/caching.py b/pygmt/helpers/caching.py
index 7bc9cc67da4..b5703e1b006 100644
--- a/pygmt/helpers/caching.py
+++ b/pygmt/helpers/caching.py
@@ -22,7 +22,7 @@ def cache_data():
         "@earth_mag_01d_g",
         "@earth_mag4km_01d_g",
         "@earth_mask_01d_g",
-        "@earth_mss_01_g",
+        "@earth_mss_01d_g",
         "@earth_night_01d",
         "@earth_relief_01d_g",
         "@earth_relief_01d_p",