diff --git a/README.md b/README.md
index 3fd44c1..e457fb1 100644
--- a/README.md
+++ b/README.md
@@ -5,11 +5,13 @@ filesize.js provides a simple way to get a human readable file size string from
 ## Examples
 
 ``` js
+filesize(500);                    // "3.91Kb"
+filesize(500, true);              // "3.9k"
 filesize(1500);                   // "1.46KB"
 filesize("1500000000");           // "1.40GB"
 filesize("1500000000", 0);        // "1GB"
-filesize(1212312421412412);       // "1102.59TB"
-filesize(1212312421412412, true); // "1102.6T" - shorthand output, similar to *nix "ls -lh"
+filesize(1212312421412412);       // "1.08PB"
+filesize(1212312421412412, true); // "1.1P" - shorthand output, similar to *nix "ls -lh"
 ```
 
 ## How can I load filesize.js?
diff --git a/lib/filesize.js b/lib/filesize.js
index 369cc0e..4d27824 100644
--- a/lib/filesize.js
+++ b/lib/filesize.js
@@ -6,7 +6,7 @@
  * @license BSD-3 <http://opensource.org/licenses/BSD-3-Clause>
  * @link https://github.com/avoidwork/filesize.js
  * @module filesize
- * @version 1.7.0
+ * @version 1.7.1
  */
 
 (function (global) {
@@ -47,6 +47,7 @@
 			if (num >= size) {
 				result = (suffix === "B" ? num : (num / size)).toFixed(pos);
 				if (short) {
+					if (/b$/.test(suffix)) suffix = suffix.toLowerCase();
 					suffix = suffix.slice(0, 1);
 					z      = regex.exec(result);
 					if (z !== null && typeof z[1] !== "undefined" && z[1] === "0") result = parseInt(result, base);
diff --git a/lib/filesize.min.js b/lib/filesize.min.js
index 96dbcf1..dc1e357 100644
--- a/lib/filesize.min.js
+++ b/lib/filesize.min.js
@@ -6,6 +6,6 @@
  * @license BSD-3 <http://opensource.org/licenses/BSD-3-Clause>
  * @link https://github.com/avoidwork/filesize.js
  * @module filesize
- * @version 1.7.0
+ * @version 1.7.1
  */
-(function(e){"use strict";var t=function(e){var t=10,n,r,i,s,o,u,a,f,l,c;typeof arguments[2]!="undefined"?(n=arguments[1],r=arguments[2]):typeof arguments[1]=="boolean"?r=arguments[1]:n=arguments[1];if(isNaN(e)||typeof n!="undefined"&&isNaN(n))throw Error("Invalid arguments");r=r===!0,n=r?1:typeof n=="undefined"?2:parseInt(n,t),i=Number(e),s=[["B",0],["Kb",128],["KB",1024],["Mb",131072],["MB","1.049e+6"],["Gb","1.342e+8"],["GB","1.074e+9"],["Tb","1.374e+11"],["TB","1.1e+12"],["Pb","1.407e+14"],["PB","1.126e+15"]],l=s.length,u="",a=/\.(.*)/;while(l--){o=s[l][1],f=s[l][0],l>3&&(o=Number(o));if(i>=o){u=(f==="B"?i:i/o).toFixed(n),r&&(f=f.slice(0,1),c=a.exec(u),c!==null&&typeof c[1]!="undefined"&&c[1]==="0"&&(u=parseInt(u,t))),u+=f;break}}return u};switch(!0){case typeof exports!="undefined":module.exports=t;break;case typeof define=="function":define(function(){return t});break;default:e.filesize=t}})(this);
\ No newline at end of file
+(function(e){"use strict";var t=function(e){var t=10,n,r,i,s,o,u,a,f,l,c;typeof arguments[2]!="undefined"?(n=arguments[1],r=arguments[2]):typeof arguments[1]=="boolean"?r=arguments[1]:n=arguments[1];if(isNaN(e)||typeof n!="undefined"&&isNaN(n))throw Error("Invalid arguments");r=r===!0,n=r?1:typeof n=="undefined"?2:parseInt(n,t),i=Number(e),s=[["B",0],["Kb",128],["KB",1024],["Mb",131072],["MB","1.049e+6"],["Gb","1.342e+8"],["GB","1.074e+9"],["Tb","1.374e+11"],["TB","1.1e+12"],["Pb","1.407e+14"],["PB","1.126e+15"]],l=s.length,u="",a=/\.(.*)/;while(l--){o=s[l][1],f=s[l][0],l>3&&(o=Number(o));if(i>=o){u=(f==="B"?i:i/o).toFixed(n),r&&(/b$/.test(f)&&(f=f.toLowerCase()),f=f.slice(0,1),c=a.exec(u),c!==null&&typeof c[1]!="undefined"&&c[1]==="0"&&(u=parseInt(u,t))),u+=f;break}}return u};switch(!0){case typeof exports!="undefined":module.exports=t;break;case typeof define=="function":define(function(){return t});break;default:e.filesize=t}})(this);
\ No newline at end of file
diff --git a/package.json b/package.json
index a5f53b0..9332d55 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "filesize",
   "description": "JavaScript library to generate a human readable String describing the file size",
-  "version": "1.7.0",
+  "version": "1.7.1",
   "homepage": "https://github.com/avoidwork/filesize.js",
   "author": {
     "name": "Jason Mulligan",
diff --git a/src/filesize.js b/src/filesize.js
index 044b93b..ca2c56a 100644
--- a/src/filesize.js
+++ b/src/filesize.js
@@ -36,6 +36,7 @@
 			if (num >= size) {
 				result = (suffix === "B" ? num : (num / size)).toFixed(pos);
 				if (short) {
+					if (/b$/.test(suffix)) suffix = suffix.toLowerCase();
 					suffix = suffix.slice(0, 1);
 					z      = regex.exec(result);
 					if (z !== null && typeof z[1] !== "undefined" && z[1] === "0") result = parseInt(result, base);
diff --git a/test/filesize_test.js b/test/filesize_test.js
index 4d45cf3..c69d609 100644
--- a/test/filesize_test.js
+++ b/test/filesize_test.js
@@ -5,10 +5,13 @@ exports["filesize"] = {
 		this.num   = 1024;
 		this.str   = "1024";
 		this.invld = "abc";
+		this.Kb    = 500;
 		done();
 	},
 	valid: function (test) {
-		test.expect(6);
+		test.expect(8);
+		test.equal(filesize(this.Kb),        "3.91Kb", "Should match");
+		test.equal(filesize(this.Kb,true),   "3.9k",   "Should match");
 		test.equal(filesize(this.num),       "1.00KB", "Should match");
 		test.equal(filesize(this.str),       "1.00KB", "Should match");
 		test.equal(filesize(this.num, 1),    "1.0KB",  "Should match");