diff --git a/lib/ical/parse.js b/lib/ical/parse.js
index 47a0805b..f933080e 100644
--- a/lib/ical/parse.js
+++ b/lib/ical/parse.js
@@ -388,7 +388,9 @@ parse._parseParameters = function(line, start, designSet) {
       }
       value = line.slice(valuePos, pos);
       lastParam = unescapedIndexOf(line, PARAM_DELIMITER, pos);
-      if (lastParam === -1) {
+      let propValuePos = unescapedIndexOf(line, VALUE_DELIMITER, pos);
+      // if either no next parameter or delimeter in property value, let's stop here
+      if (lastParam === -1 || (propValuePos !== -1 && lastParam > propValuePos)) {
         pos = false;
       }
     } else {
diff --git a/test/parse_test.js b/test/parse_test.js
index 90e79b1f..f3f012a9 100644
--- a/test/parse_test.js
+++ b/test/parse_test.js
@@ -226,6 +226,18 @@ suite('parserv2', function() {
         expected
       );
     });
+
+    test('with quoted value', function() {
+      let input = ';FMTTYPE="text/html":Here is HTML with signs like =;';
+      let expected = {
+        'fmttype': 'text/html'
+      };
+
+      assert.deepEqual(
+        subject._parseParameters(input, 0, ICAL.design.components.vevent)[0],
+        expected
+      );
+    });
   });
 
   test('#_parseMultiValue', function() {