diff --git a/index.js b/index.js
index a29393b..78ae8f3 100644
--- a/index.js
+++ b/index.js
@@ -726,6 +726,8 @@ function htmlToPdfMake(htmlText, options) {
               if (value) {
                 // convert value to a 'pt' when possible
                 var parsedValue = _this.convertToUnit(value);
+                // if we have 'font-size' with a parsedValue at false, then ignore it
+                if (key === 'font-size' && parsedValue === false) break;
                 ret.push({key:key, value:(parsedValue === false ? value : parsedValue)});
               }
             }
diff --git a/package.json b/package.json
index 4af34f0..04e4d0e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "html-to-pdfmake",
-  "version": "2.4.5",
+  "version": "2.4.6",
   "description": "Convert HTML code to PDFMake",
   "main": "index.js",
   "scripts": {