diff --git a/classes/Dynamic.php b/classes/Dynamic.php
index 2390d5b..8d8fdc9 100644
--- a/classes/Dynamic.php
+++ b/classes/Dynamic.php
@@ -157,7 +157,7 @@ class Dynamic extends Object
 
 				// Minifies CSS with a few basic character replacements.
 				$stylesheet = file_get_contents($original_filename);
-				$stylesheet = str_replace(array("\t", "\n", ', ', ' {', ': ', ';}', ' '), array('', '', ',', '{', ':', '}', ''), $stylesheet);
+				$stylesheet = str_replace(array("\t", "\n", ', ', ' {', ': ', ';}', '{  ', ';  '), array('', '', ',', '{', ':', '}', '{', ';'), $stylesheet);
 				$stylesheet = preg_replace('/\/\*.+?\*\//', '', $stylesheet);
 				file_put_contents($minified_filename, $stylesheet);
 
diff --git a/jar.php b/jar.php
index 6ce4abb..fbd712d 100755
--- a/jar.php
+++ b/jar.php
@@ -3038,7 +3038,7 @@ class Dynamic extends Object
 
 				// Minifies CSS with a few basic character replacements.
 				$stylesheet = file_get_contents($original_filename);
-				$stylesheet = str_replace(array("\t", "\n", ', ', ' {', ': ', ';}', ' '), array('', '', ',', '{', ':', '}', ''), $stylesheet);
+				$stylesheet = str_replace(array("\t", "\n", ', ', ' {', ': ', ';}', '{  ', ';  '), array('', '', ',', '{', ':', '}', '{', ';'), $stylesheet);
 				$stylesheet = preg_replace('/\/\*.+?\*\//', '', $stylesheet);
 				file_put_contents($minified_filename, $stylesheet);