diff --git a/tools/schemacode/pyproject.toml b/tools/schemacode/pyproject.toml
index 22547f33ef..ce49dcd818 100644
--- a/tools/schemacode/pyproject.toml
+++ b/tools/schemacode/pyproject.toml
@@ -30,9 +30,11 @@ markers = [
   "validate_schema: tests that validate the schema itself",
 ]
 
+[tool.coverage.paths]
+source = [
+  "src/bidsschematools",
+  "**/site-packages/bidsschematools",
+]
+
 [tool.coverage.run]
 parallel = true
-omit = [
-  "*/*/tests/*",
-  "**/tests/*"
-]