diff --git a/27-01-2021-grepString/grepHttp.sh b/27-01-2021-grepString/grepHttp.sh
index e5e5d47..2daf584 100644
--- a/27-01-2021-grepString/grepHttp.sh
+++ b/27-01-2021-grepString/grepHttp.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-if [[ "$(grep -r 'http://' .)" ]]; then
+if [[ "$(find . -name  *.java | xargs grep 'http://')" ]]; then
   echo "http protocol found"  
 else
   echo "http protocol not found"