diff --git a/src/net/http/cgi/child.go b/src/net/http/cgi/child.go
index e29fe20d7d5..466d42c08e9 100644
--- a/src/net/http/cgi/child.go
+++ b/src/net/http/cgi/child.go
@@ -57,8 +57,11 @@ func RequestFromMap(params map[string]string) (*http.Request, error) {
 
 	r.Proto = params["SERVER_PROTOCOL"]
 	var ok bool
-	r.ProtoMajor, r.ProtoMinor, ok = http.ParseHTTPVersion(r.Proto)
-	if !ok {
+	if r.Proto == "INCLUDED" {
+		// SSI (Server Side Include) use case
+		// CGI Specification RFC 3875 - section 4.1.16
+		r.ProtoMajor, r.ProtoMinor = 1, 0
+	} else if r.ProtoMajor, r.ProtoMinor, ok = http.ParseHTTPVersion(r.Proto); !ok {
 		return nil, errors.New("cgi: invalid SERVER_PROTOCOL version")
 	}
 
diff --git a/src/net/http/cgi/child_test.go b/src/net/http/cgi/child_test.go
index 18cf789bd59..f901bec1a84 100644
--- a/src/net/http/cgi/child_test.go
+++ b/src/net/http/cgi/child_test.go
@@ -154,6 +154,28 @@ func TestRequestWithoutRemotePort(t *testing.T) {
 	}
 }
 
+// CGI Specification RFC 3875 - section 4.1.16
+// INCLUDED value for SERVER_PROTOCOL must be treated as an HTTP/1.0 request
+func TestIncludedServerProtocol(t *testing.T) {
+	env := map[string]string{
+		"REQUEST_METHOD":  "GET",
+		"SERVER_PROTOCOL": "INCLUDED",
+	}
+	req, err := RequestFromMap(env)
+	if req.Proto != "INCLUDED" {
+		t.Errorf("unexpected change to SERVER_PROTOCOL")
+	}
+	if major := req.ProtoMajor; major != 1 {
+		t.Errorf("ProtoMajor: got %d, want %d", major, 1)
+	}
+	if minor := req.ProtoMinor; minor != 0 {
+		t.Errorf("ProtoMinor: got %d, want %d", minor, 0)
+	}
+	if err != nil {
+		t.Fatalf("expected INCLUDED to be treated as HTTP/1.0 request")
+	}
+}
+
 func TestResponse(t *testing.T) {
 	var tests = []struct {
 		name   string