diff --git a/core/build.gradle b/core/build.gradle
index c428ca787..2a433050c 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -423,7 +423,7 @@ task jaxbToJava {
       }
     }
     execInBash(
-        'find . -name *.java -exec sed -i /\\*\\ \\<p\\>\\$/d {} +',
+        "find . -name *.java -exec sed -i -e '/" + /\* <p>$/ + "/d' {} +",
         generatedDir)
   }
 }