diff --git a/provisioner/chef-client/provisioner.go b/provisioner/chef-client/provisioner.go
index 1e2847f54..c880691c3 100644
--- a/provisioner/chef-client/provisioner.go
+++ b/provisioner/chef-client/provisioner.go
@@ -286,7 +286,7 @@ func (p *Provisioner) createConfig(ui packer.Ui, comm packer.Communicator, nodeN
 		return "", err
 	}
 
-	remotePath := filepath.Join(p.config.StagingDir, "client.rb")
+	remotePath := filepath.ToSlash(filepath.Join(p.config.StagingDir, "client.rb"))
 	if err := comm.Upload(remotePath, bytes.NewReader([]byte(configString))); err != nil {
 		return "", err
 	}
@@ -315,7 +315,7 @@ func (p *Provisioner) createJson(ui packer.Ui, comm packer.Communicator) (string
 	}
 
 	// Upload the bytes
-	remotePath := filepath.Join(p.config.StagingDir, "first-boot.json")
+	remotePath := filepath.ToSlash(filepath.Join(p.config.StagingDir, "first-boot.json"))
 	if err := comm.Upload(remotePath, bytes.NewReader(jsonBytes)); err != nil {
 		return "", err
 	}
diff --git a/provisioner/chef-solo/provisioner.go b/provisioner/chef-solo/provisioner.go
index 1e5a47241..2166a9d0c 100644
--- a/provisioner/chef-solo/provisioner.go
+++ b/provisioner/chef-solo/provisioner.go
@@ -378,7 +378,7 @@ func (p *Provisioner) createConfig(ui packer.Ui, comm packer.Communicator, local
 		return "", err
 	}
 
-	remotePath := filepath.Join(p.config.StagingDir, "solo.rb")
+	remotePath := filepath.ToSlash(filepath.Join(p.config.StagingDir, "solo.rb"))
 	if err := comm.Upload(remotePath, bytes.NewReader([]byte(configString))); err != nil {
 		return "", err
 	}
@@ -407,7 +407,7 @@ func (p *Provisioner) createJson(ui packer.Ui, comm packer.Communicator) (string
 	}
 
 	// Upload the bytes
-	remotePath := filepath.Join(p.config.StagingDir, "node.json")
+	remotePath := filepath.ToSlash(filepath.Join(p.config.StagingDir, "node.json"))
 	if err := comm.Upload(remotePath, bytes.NewReader(jsonBytes)); err != nil {
 		return "", err
 	}