diff --git a/src/pendulum/parsing/__init__.py b/src/pendulum/parsing/__init__.py
index 20ebed40..d88c089a 100644
--- a/src/pendulum/parsing/__init__.py
+++ b/src/pendulum/parsing/__init__.py
@@ -145,7 +145,7 @@ def _parse_common(text: str, **options: Any) -> datetime | date | time:
     month = 1
     day = 1
 
-    if not m:
+    if not m or not (m.group("date") or m.group("time")):
         raise ParserError("Invalid datetime string")
 
     if m.group("date"):
diff --git a/tests/parsing/test_parsing.py b/tests/parsing/test_parsing.py
index 0fa0e936..8151ce12 100644
--- a/tests/parsing/test_parsing.py
+++ b/tests/parsing/test_parsing.py
@@ -684,6 +684,11 @@ def test_invalid():
         parse(text)
 
 
+def test_parse_empty_string():
+    with pytest.raises(ParserError):
+        parse("")
+
+
 def test_exif_edge_case():
     text = "2016:12:26 15:45:28"