diff --git a/src/specify_cli/presets/_resolver.py b/src/specify_cli/presets/_resolver.py
index ea1c4e03f9..7219c70200 100644
--- a/src/specify_cli/presets/_resolver.py
+++ b/src/specify_cli/presets/_resolver.py
@@ -466,7 +466,7 @@ def resolve_with_source(
         resolved_str = str(resolved)
 
         # Determine source attribution
-        if str(self.overrides_dir) in resolved_str:
+        if resolved.is_relative_to(self.overrides_dir):
             return {"path": resolved_str, "source": "project override"}
 
         if str(self.presets_dir) in resolved_str and self.presets_dir.exists():
diff --git a/tests/specify_cli/presets/test_resolver.py b/tests/specify_cli/presets/test_resolver.py
index d1e416f7a1..bcd02ecabd 100644
--- a/tests/specify_cli/presets/test_resolver.py
+++ b/tests/specify_cli/presets/test_resolver.py
@@ -468,6 +468,15 @@ def test_resolve_with_source_core(self, project_dir):
         assert result["source"] == "core"
         assert "spec-template.md" in result["path"]
 
+    def test_resolve_with_source_core_name_starting_with_overrides(self, project_dir):
+        """A core filename sharing the overrides prefix is still core."""
+        core = project_dir / ".specify" / "templates" / "overrides-report.md"
+        core.write_text("# Core report\n")
+
+        result = PresetResolver(project_dir).resolve_with_source("overrides-report")
+
+        assert result == {"path": str(core), "source": "core"}
+
     def test_resolve_with_source_override(self, project_dir):
         """Test resolve_with_source for override template."""
         overrides_dir = project_dir / ".specify" / "templates" / "overrides"