diff --git a/OMCompiler/Compiler/Script/CevalScript.mo b/OMCompiler/Compiler/Script/CevalScript.mo
index a22e1222b82..464bb00419b 100644
--- a/OMCompiler/Compiler/Script/CevalScript.mo
+++ b/OMCompiler/Compiler/Script/CevalScript.mo
@@ -2964,14 +2964,19 @@ protected function unZipEncryptedPackageAndCheckFile
   output Boolean success;
   output String outFilename;
 protected
-  String workdir, s1, s2, s3, filename_1, filename1, filename2, filename3, filename4, str, str1, str2, str3, str4;
+  String workdir, s1, s2, s3, filename_1, filename1, filename2, filename3, filename4, str, str1, str2, str3, str4, cmd, cmdPrefix;
+  Boolean isWindows = Autoconf.os == "Windows_NT";
 algorithm
   success := false;
   outFilename := "";
   if (System.regularFileExists(filename)) then
     if (StringUtil.endsWith(filename, ".mol")) then
       workdir := if System.directoryExists(inWorkdir) then inWorkdir else System.pwd();
-      if (skipUnzip or 0 == System.systemCall("unzip -q -o -d \"" + workdir + "\" \"" +  filename + "\"")) then
+      // use ripunzip (https://github.com/google/ripunzip) on Windows as is twice as fast
+      // TODO on Linux we should check if it is in the path
+      cmdPrefix := if isWindows then "ripunzip.exe -q unzip-file -d " else "unzip -q -o -d ";
+      cmd := cmdPrefix + "\"" + workdir + "\" \"" + filename + "\"";
+      if (skipUnzip or 0 == System.systemCall(cmd)) then
         s1 := System.basename(filename);
         s2 := Util.removeLast4Char(s1);
         s3 := listGet(Util.stringSplitAtChar(s2," "),1);