diff --git a/connector/curl.go b/connector/curl.go
index 0e44edd..8198813 100644
--- a/connector/curl.go
+++ b/connector/curl.go
@@ -19,6 +19,7 @@ var curl2HttpieTransformerMap = map[curl.LongName]httpieTransformer.Transformer{
 	"verbose":    httpieTransformer.Verbose,
 	"referer":    httpieTransformer.Referer,
 	"cookie":     httpieTransformer.Cookie,
+	"insecure":   httpieTransformer.Verify,
 }
 
 func Curl2Httpie(args []string) (cmdStringer fmt.Stringer, warningMessages []WarningMessage, err error) {
diff --git a/httpie/flag.go b/httpie/flag.go
index 40785ac..135b88e 100644
--- a/httpie/flag.go
+++ b/httpie/flag.go
@@ -2,29 +2,35 @@ package httpie
 
 import (
 	"fmt"
+
 	flag "github.com/spf13/pflag"
 )
 
 type Flag struct {
-	Long   string
-	Short  byte
-	HasArg bool
-	Arg    string
+	Long      string
+	Short     byte
+	HasArg    bool
+	Arg       string
+	Separator string
 }
 
 func (f *Flag) SetShort(s byte) {
 	f.Short = s
 }
 
-func (f *Flag) SetArg(arg string) {
+func (f *Flag) SetArg(arg string, separator string) {
 	f.HasArg = true
 	f.Arg = arg
+	f.Separator = separator
 }
 
 func (f *Flag) String() string {
 	arg := ""
 	if f.HasArg {
-		arg = fmt.Sprintf(` '%s'`, f.Arg)
+		if f.Separator == "" {
+			f.Separator = " " // Use whitespace as default separator
+		}
+		arg = fmt.Sprintf(`%s%s`, f.Separator, f.Arg)
 	}
 	return fmt.Sprintf("--%s%s", f.Long, arg)
 }
diff --git a/transformers/httpie/transformers.go b/transformers/httpie/transformers.go
index 3d20f59..db0266c 100644
--- a/transformers/httpie/transformers.go
+++ b/transformers/httpie/transformers.go
@@ -78,7 +78,7 @@ func URL(cl *httpie.CmdLine, o *curl.Option) {
 
 func User(cl *httpie.CmdLine, o *curl.Option) {
 	f := httpie.NewFlag("auth")
-	f.SetArg(o.Arg)
+	f.SetArg(o.Arg, " ")
 
 	cl.AddFlag(f)
 }
@@ -104,5 +104,11 @@ func Cookie(cl *httpie.CmdLine, o *curl.Option) {
 	cl.AddItem(h)
 }
 
+func Verify(cl *httpie.CmdLine, o *curl.Option) {
+	h := httpie.NewFlag("verify")
+	h.SetArg("no", "=")
+	cl.AddFlag(h)
+}
+
 func Noop(cl *httpie.CmdLine, o *curl.Option) {
 }