diff --git a/build/mvn b/build/mvn
index e49709fe4e6d3..2c8571f491757 100755
--- a/build/mvn
+++ b/build/mvn
@@ -85,7 +85,7 @@ install_app() {
         fi
       fi
     else
-      echo "Skipping checksum because shasum is not installed."
+      echo "Skipping checksum because shasum is not installed." 1>&2
     fi
 
     cd "${_DIR}" && tar -xzf "${local_tarball}"