diff --git a/rust/Cargo.toml.in b/rust/Cargo.toml.in
index 263b715dd0..bfc8bd9b51 100644
--- a/rust/Cargo.toml.in
+++ b/rust/Cargo.toml.in
@@ -20,5 +20,5 @@ crc = "~1.7.0"
 der-parser = "0.5.2"
 kerberos-parser = "0.1.0"
 
-ntp-parser = "^0"
+ntp-parser = "0.2.0"
 ipsec-parser = "~0.3.0"
diff --git a/rust/src/ntp/ntp.rs b/rust/src/ntp/ntp.rs
index eb03cc3d6c..b1b9fa752a 100644
--- a/rust/src/ntp/ntp.rs
+++ b/rust/src/ntp/ntp.rs
@@ -89,7 +89,7 @@ impl NTPState {
         match parse_ntp(i) {
             IResult::Done(_,ref msg) => {
                 // SCLogDebug!("parse_ntp: {:?}",msg);
-                if msg.mode == 1 || msg.mode == 3 {
+                if msg.mode == NtpMode::SymmetricActive || msg.mode == NtpMode::Client {
                     let mut tx = self.new_tx();
                     // use the reference id as identifier
                     tx.xid = msg.ref_id;