diff --git a/Ductus.FluentDocker.Tests/Model/Builders/FileBuilder/CopyCommandTests.cs b/Ductus.FluentDocker.Tests/Model/Builders/FileBuilder/CopyCommandTests.cs
new file mode 100644
index 0000000..3092511
--- /dev/null
+++ b/Ductus.FluentDocker.Tests/Model/Builders/FileBuilder/CopyCommandTests.cs
@@ -0,0 +1,30 @@
+using Ductus.FluentDocker.Model.Builders.FileBuilder;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace Ductus.FluentDocker.Tests.Model.Builders.FileBuilder
+{
+  [TestClass]
+  public class CopyCommandTests
+  {
+    [TestMethod]
+    public void CopyCommandShallDoubleQuoteWrapAllArguments()
+    {
+      var cp  = new CopyCommand("entrypoint.sh", "/worker/entrypoint.sh");
+      Assert.AreEqual("COPY [\"entrypoint.sh\",\"/worker/entrypoint.sh\"]", cp.ToString());
+    }
+
+    [TestMethod]
+    public void CopyCommandShallNotAddDoubleQuoteWrapForArgumentsWithDoubleQote()
+    {
+      var cp  = new CopyCommand("entrypoint.sh", "\"/worker/entrypoint.sh\"");
+      Assert.AreEqual("COPY [\"entrypoint.sh\",\"/worker/entrypoint.sh\"]", cp.ToString());
+    }
+
+    [TestMethod]
+    public void CopyCommandShallEnsureBothSidesAreDoubleQotedEvenIfArgumentHasOnlyOneSide()
+    {
+      var cp  = new CopyCommand("entrypoint.sh", "\"/worker/entrypoint.sh");
+      Assert.AreEqual("COPY [\"entrypoint.sh\",\"/worker/entrypoint.sh\"]", cp.ToString());
+    }
+  }
+}
\ No newline at end of file
diff --git a/Ductus.FluentDocker/Builders/FileBuilder.cs b/Ductus.FluentDocker/Builders/FileBuilder.cs
index 4a558af..9dd2590 100644
--- a/Ductus.FluentDocker/Builders/FileBuilder.cs
+++ b/Ductus.FluentDocker/Builders/FileBuilder.cs
@@ -326,7 +326,7 @@ private void CopyToWorkDir(TemplateString workingFolder)
 
     private void RenderDockerfile(TemplateString workingFolder)
     {
-      if (Directory.Exists(workingFolder))
+      if (!Directory.Exists(workingFolder))
       {
         Directory.CreateDirectory(workingFolder);
       }
diff --git a/Ductus.FluentDocker/Model/Builders/FileBuilder/CopyCommand.cs b/Ductus.FluentDocker/Model/Builders/FileBuilder/CopyCommand.cs
index a3ece07..1bc2901 100644
--- a/Ductus.FluentDocker/Model/Builders/FileBuilder/CopyCommand.cs
+++ b/Ductus.FluentDocker/Model/Builders/FileBuilder/CopyCommand.cs
@@ -19,8 +19,8 @@ public class CopyCommand : ICommand
     public CopyCommand(TemplateString from, TemplateString to, 
       TemplateString chownUserAndGroup = null, TemplateString fromAlias = null)
     {
-      From = from.Rendered;
-      To = to.Rendered;
+      From = from.Rendered.WrapWithChar("\"");
+      To = to.Rendered.WrapWithChar("\"");
 
       if (null != chownUserAndGroup && !string.IsNullOrEmpty(chownUserAndGroup.Rendered)) {
         Chown = chownUserAndGroup.Rendered;