diff --git a/main.py b/main.py
deleted file mode 100644
index e0abfb8..0000000
--- a/main.py
+++ /dev/null
@@ -1,4 +0,0 @@
-import snapmap_archiver
-
-if __name__ == "__main__":
-    snapmap_archiver.main()
diff --git a/pyproject.toml b/pyproject.toml
index ab76490..a585850 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ loguru = "^0.7.2"
 [tool.poetry.dev-dependencies]
 
 [tool.poetry.scripts]
-snapmap-archiver = "snapmap_archiver:main"
+snapmap-archiver = "snapmap_archiver.__main__:main"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
diff --git a/snapmap_archiver/__main__.py b/snapmap_archiver/__main__.py
index b167b75..9dc8ec4 100644
--- a/snapmap_archiver/__main__.py
+++ b/snapmap_archiver/__main__.py
@@ -4,14 +4,9 @@
 from loguru import logger
 from loguru._logger import Logger
 
-from snapmap_archiver import (
-    DEFAULT_RADIUS,
-    DEFAULT_WRITE_JSON,
-    DEFAULT_ZOOM_DEPTH,
-    ISSUES_URL,
-    SNAP_PATTERN,
-    default_output_dir,
-)
+from snapmap_archiver import (DEFAULT_RADIUS, DEFAULT_WRITE_JSON,
+                              DEFAULT_ZOOM_DEPTH, ISSUES_URL, SNAP_PATTERN,
+                              default_output_dir)
 from snapmap_archiver.coordinates import Coordinates
 from snapmap_archiver.SnapmapArchiver import SnapmapArchiver
 
@@ -124,6 +119,10 @@ def main():
         Coordinates(location) for location, in (args.location if args.location else [])
     ]
 
+    if not valid_snap_ids and not coordinates:
+        logger.error('Some kind of input is required. Run [snapmap-archiver -h] for help.')
+        sys.exit(1)
+
     sm_archiver = SnapmapArchiver(
         logger=logger,  # type: ignore
         output_dir=args.output_dir,