diff --git a/README.md b/README.md
index 79a35ea..43e3f4a 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ Options:
 
       --comments <value>    Comments to keep: exclamation (default), first-exclamation or none
       --debug [level]       Output intermediate state of CSS during compression
+      --declaration-list    Treats input as declaration list
   -h, --help                Output usage information
   -i, --input <filename>    Input file
       --input-map <source>  Input source map: none, auto (default) or <filename>
diff --git a/index.js b/index.js
index 314e789..832e385 100644
--- a/index.js
+++ b/index.js
@@ -193,6 +193,7 @@ var command = cli.create('csso', '[input] [output]')
     .option('-u, --usage <filename>', 'Usage data file')
     .option('--input-map <source>', 'Input source map: none, auto (default) or <filename>', 'auto')
     .option('--restructure-off', 'Turns structure minimization off')
+    .option('--declaration-list', 'Treats input as declaration list')
     .option('--comments <value>', 'Comments to keep: exclamation (default), first-exclamation or none', 'exclamation')
     .option('--stat', 'Output statistics in stderr')
     .option('--debug [level]', 'Output intermediate state of CSS during compression', debugLevel, 0)
@@ -205,6 +206,7 @@ var command = cli.create('csso', '[input] [output]')
         var map = options.map;
         var inputMap = options.inputMap;
         var structureOptimisationOff = options.restructureOff;
+        var declarationList = options.declarationList;
         var comments = processCommentsOption(options.comments);
         var debug = options.debug;
         var statistics = options.stat;
@@ -252,7 +254,8 @@ var command = cli.create('csso', '[input] [output]')
 
             // main action
             try {
-                result = csso.minify(source, {
+                var minifyFunc = declarationList ? csso.minifyBlock : csso.minify;
+                result = minifyFunc(source, {
                     filename: inputFile,
                     sourceMap: sourceMap.output,
                     usage: usageData,