diff --git a/src/pymatgen/io/vasp/inputs.py b/src/pymatgen/io/vasp/inputs.py
index f7e4bd6fba2..53c7090da59 100644
--- a/src/pymatgen/io/vasp/inputs.py
+++ b/src/pymatgen/io/vasp/inputs.py
@@ -66,7 +66,7 @@
     "PBE_52_W_HASH": "POTPAW_PBE_52",
     "PBE_54": "POT_GGA_PAW_PBE_54",
     "PBE_54_W_HASH": "POTPAW_PBE_54",
-    "PBE_64": "POT_PAW_PBE_64",
+    "PBE_64": "POT_GGA_PAW_PBE_64",
     "LDA": "POT_LDA_PAW",
     "LDA_52": "POT_LDA_PAW_52",
     "LDA_52_W_HASH": "POTPAW_LDA_52",
diff --git a/tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.Fe_pv.gz b/tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.Fe_pv.gz
similarity index 100%
rename from tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.Fe_pv.gz
rename to tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.Fe_pv.gz
diff --git a/tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.O.gz b/tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.O.gz
similarity index 100%
rename from tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.O.gz
rename to tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.O.gz
diff --git a/tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.P.gz b/tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.P.gz
similarity index 100%
rename from tests/files/io/vasp/inputs/fake_potcars/POT_PAW_PBE_64/POTCAR.P.gz
rename to tests/files/io/vasp/inputs/fake_potcars/POT_GGA_PAW_PBE_64/POTCAR.P.gz
diff --git a/tests/io/vasp/test_inputs.py b/tests/io/vasp/test_inputs.py
index bc47d69de08..716af927401 100644
--- a/tests/io/vasp/test_inputs.py
+++ b/tests/io/vasp/test_inputs.py
@@ -1491,9 +1491,9 @@ def assert_config_equal(actual_config, expected_config) -> None:
             ],
         )
 
-        # Test POT_PAW_PBE_64 PSPs
+        # Test POT_GGA_PAW_PBE_64 PSPs
         assert_config_equal(
-            PotcarSingle.from_file(f"{FAKE_POTCAR_DIR}/POT_PAW_PBE_64/POTCAR.O.gz").electron_configuration,
+            PotcarSingle.from_file(f"{FAKE_POTCAR_DIR}/POT_GGA_PAW_PBE_64/POTCAR.O.gz").electron_configuration,
             [
                 (2, "s", 2.0),
                 (2, "p", 4.0),
@@ -1501,7 +1501,7 @@ def assert_config_equal(actual_config, expected_config) -> None:
         )
 
         assert_config_equal(
-            PotcarSingle.from_file(f"{FAKE_POTCAR_DIR}/POT_PAW_PBE_64/POTCAR.Fe_pv.gz").electron_configuration,
+            PotcarSingle.from_file(f"{FAKE_POTCAR_DIR}/POT_GGA_PAW_PBE_64/POTCAR.Fe_pv.gz").electron_configuration,
             [
                 (3, "p", 6.0),
                 (3, "d", 7.0),