diff --git a/tests/test_cg.sh b/tests/test_cg.sh
index 1aaac81..821d113 100755
--- a/tests/test_cg.sh
+++ b/tests/test_cg.sh
@@ -8,4 +8,4 @@ done <${file}
 
 cd ../src
 
-./coarseGrain.py --pdb tests/${prot}.pdb --cg 4 --atomType CB
+./coarseGrain.py --pdb ../tests/${prot}.pdb --cg 4 --atomType CB