diff --git a/src/_pytest/main.py b/src/_pytest/main.py
index 2a8b06fce..24e184a0f 100644
--- a/src/_pytest/main.py
+++ b/src/_pytest/main.py
@@ -886,7 +886,8 @@ def resolve_collection_argument(
         parts[-1] = f"{parts[-1]}{squacket}{rest}"
     if as_pypath:
         strpath = search_pypath(strpath)
-    fspath = absolutepath(invocation_path / strpath)
+    fspath = invocation_path / strpath
+    fspath = absolutepath(fspath)
     if not fspath.exists():
         msg = (
             "module or package not found: {arg} (missing __init__.py?)"
diff --git a/testing/test_main.py b/testing/test_main.py
index 7a40b8262..fa5fde7ec 100644
--- a/testing/test_main.py
+++ b/testing/test_main.py
@@ -180,6 +180,10 @@ class TestResolveCollectionArgument:
             invocation_path / "src/pkg",
             [],
         )
+        assert resolve_collection_argument(invocation_path, "src/pkg/test.py::") == (
+            invocation_path / "src/pkg/test.py",
+            [],
+        )
 
         with pytest.raises(
             UsageError, match=r"package argument cannot contain :: selection parts"
@@ -207,6 +211,12 @@ class TestResolveCollectionArgument:
         ):
             resolve_collection_argument(invocation_path, "src/pkg/test.py[a::b]")
 
+        with pytest.raises(
+            UsageError,
+            match=re.escape("file or directory not found: src/pkg/test.py[foobar]"),
+        ):
+            resolve_collection_argument(invocation_path, "src/pkg/test.py[foobar]")
+
         with pytest.raises(
             UsageError,
             match=re.escape(