diff --git a/src/usr/local/bin/mediaconch_validation_wrapper.sh b/src/usr/local/bin/mediaconch_validation_wrapper.sh
index ae15f8363fa4988e659c48b93d73a32e8c10cd5f..2163340e325d59d3883f3a73a83cfbb18acdc324 100755
--- a/src/usr/local/bin/mediaconch_validation_wrapper.sh
+++ b/src/usr/local/bin/mediaconch_validation_wrapper.sh
@@ -24,4 +24,4 @@ echo "${TOOL_OUTPUT}"
 # exit code
 #   0 -> valid media file
 #   1 -> invalid media file
-echo "${TOOL_OUTPUT}" | grep "Outcome" | head -n1 | grep -v "fail"
\ No newline at end of file
+echo "${TOOL_OUTPUT}" | grep -m 1 "Outcome" | grep -v "fail"