diff --git a/src/pbnjson_c/validation/apply_lemon.sh b/src/pbnjson_c/validation/apply_lemon.sh
index 0d445cf..7f08034 100755
--- a/src/pbnjson_c/validation/apply_lemon.sh
+++ b/src/pbnjson_c/validation/apply_lemon.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # @@@LICENSE
 #
@@ -34,13 +34,11 @@ token_keywords=`grep TOKEN $source_dir/schema_keywords.gperf | grep -o "TOKEN_${
 
 if [ "$found_keywords" != "$all_keywords" ]; then
 	echo >&2 "any_object_key doesn't contain all the keywords"
-	diff <(echo "$found_keywords") <(echo "$all_keywords")
 	exit 1
 fi
 
 if [ "$expected_tokens" != "$token_keywords" ]; then
 	echo >&2 "schema_keywords.gperf doesn't contain all the keywords"
-	diff <(echo "$token_keywords") <(echo "$expected_tokens")
 	exit 1
 fi