diff --git a/.test_suite.sh b/.test_suite.sh
index 45ef0578..43e77ca7 100755
--- a/.test_suite.sh
+++ b/.test_suite.sh
@@ -79,6 +79,7 @@ testIssue204() {
     ./build/sambamba index test/issue_204.bam
     ./build/sambamba depth region test/issue_204.bam -L 2:166868600-166868813 -T 15 -T 20 -T 25 -m > output_204.txt 2>/dev/null
     diff -q output_204.txt test/issue_204_expected_output.txt
+    assertEquals 0 $?
 }
 
 . shunit2-2.0.3/src/shell/shunit2