diff --git a/tests/LDEV4743.cfc b/tests/LDEV4743.cfc
new file mode 100644
index 0000000..9d0b33e
--- /dev/null
+++ b/tests/LDEV4743.cfc
@@ -0,0 +1,14 @@
+component extends="org.lucee.cfml.test.LuceeTestCase" labels="esapi" skip=true {
+	function run( testResults , testBox ) {
+		describe( title='Testcase for LDEV-4743' , body=function() {
+			it( title='Checking canonicalize() function with % symbol' , body=function() {
+				expect( canonicalize("Lucee", false, false) ).toBe( "Lucee" );
+				expect( canonicalize("!@##$^&*()_+{}[]:"";''<>, .?/|\~`.", false, false) ).toBe( "!@##$^&*()_+{}[]:"";''<>, .?/|\~`." );
+				expect( function() {
+					var str = '(80 - 100%).pdf'; // Only failed with the '%' symbol
+					canonicalize(str, false, false);
+				}).notToThrow();
+			});
+		});
+	}
+}