diff --git a/Makefile b/Makefile
index 2ee433d..84722c5 100644
--- a/Makefile
+++ b/Makefile
@@ -57,6 +57,9 @@
 	done < $(TARGET_DIR)/filelist$*.txt
 	tail -n 1 xslt/idsCorpus-template.xml  >> $@
 
+test: YEARS := 13 18
+test: SRC_DIR=test/resources/DNB
+
 test: models/dereko_domains_s.classifier i5valid test/test-xml.sh
 	bash test/test-xml.sh
 
diff --git a/Readme.md b/Readme.md
index 24f6b2d..5178e12 100644
--- a/Readme.md
+++ b/Readme.md
@@ -2,6 +2,12 @@
 
 ## Run
 
+### Tests on local test data
+
+```bash
+make -j $(nproc) test
+```
+
 ### Generate an I5 corpus from the included test data
 
 ```bash