diff --git a/Makefile b/Makefile
index bbb70eda..ac23000b 100644
--- a/Makefile
+++ b/Makefile
@@ -19,13 +19,13 @@ news:
 	sed -e 's/^-/  -/' -e 's/^## *//' -e 's/^# //' <NEWS.md | fmt -80 >NEWS
 
 test:
-	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);options(warn=2);test_dir('tests/tests')"
+	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);options(warn=2);test_dir('tests/testthat')"
 
 paralleltest:
-	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);mirtCluster();options(warn=2);test_dir('tests/tests')"
+	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);mirtCluster();options(warn=2);test_dir('tests/testthat')"
 
 extratest:
-	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);options(warn=2);test_dir('tests/extratests')"
+	Rscript -e "library('testthat',quietly=TRUE);library('mirt',quietly=TRUE);options(warn=2);test_dir('tests/testthat/extratests')"
 
 knitdocs:
 	rm -rf html/