diff --git a/src/scmrepo/git/credentials.py b/src/scmrepo/git/credentials.py
index 61485ef9..c37d1394 100644
--- a/src/scmrepo/git/credentials.py
+++ b/src/scmrepo/git/credentials.py
@@ -256,6 +256,8 @@ def get_matching_commands(
                 except KeyError:
                     # no helper configured
                     continue
+                if not command:
+                    continue
                 use_http_path = conf.get_boolean(section, "usehttppath", False)
                 yield (
                     command.decode(conf.encoding or sys.getdefaultencoding()),
diff --git a/tests/test_credentials.py b/tests/test_credentials.py
index 853e3425..3a821d47 100644
--- a/tests/test_credentials.py
+++ b/tests/test_credentials.py
@@ -201,3 +201,20 @@ def test_get_matching_commands():
     assert list(
         GitCredentialHelper.get_matching_commands("https://foo.com/foo.git", config)
     ) == [("/usr/local/bin/my-helper", False)]
+
+    config_file = io.BytesIO(
+        """
+[credential]
+    helper =
+""".encode(
+            "ascii"
+        )
+    )
+    config_file.seek(0)
+    config = ConfigFile.from_file(config_file)
+    assert (
+        list(
+            GitCredentialHelper.get_matching_commands("https://foo.com/foo.git", config)
+        )
+        == []
+    )