diff --git a/src/miniscript/types/extra_props.rs b/src/miniscript/types/extra_props.rs
index 959157a8b..c28bb121f 100644
--- a/src/miniscript/types/extra_props.rs
+++ b/src/miniscript/types/extra_props.rs
@@ -1037,7 +1037,7 @@ impl Property for ExtData {
                 // Note that for CLTV this is a limitation not of Bitcoin but Miniscript. The
                 // number on the stack would be a 5 bytes signed integer but Miniscript's B type
                 // only consumes 4 bytes from the stack.
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,
@@ -1046,7 +1046,7 @@ impl Property for ExtData {
                 Ok(Self::from_after(t))
             }
             Terminal::Older(t) => {
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,
diff --git a/src/miniscript/types/mod.rs b/src/miniscript/types/mod.rs
index 33b246481..d6a43bccd 100644
--- a/src/miniscript/types/mod.rs
+++ b/src/miniscript/types/mod.rs
@@ -439,7 +439,7 @@ pub trait Property: Sized {
                 // Note that for CLTV this is a limitation not of Bitcoin but Miniscript. The
                 // number on the stack would be a 5 bytes signed integer but Miniscript's B type
                 // only consumes 4 bytes from the stack.
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,
@@ -448,7 +448,7 @@ pub trait Property: Sized {
                 Ok(Self::from_after(t))
             }
             Terminal::Older(t) => {
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,
@@ -822,7 +822,7 @@ impl Property for Type {
                 // Note that for CLTV this is a limitation not of Bitcoin but Miniscript. The
                 // number on the stack would be a 5 bytes signed integer but Miniscript's B type
                 // only consumes 4 bytes from the stack.
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,
@@ -831,7 +831,7 @@ impl Property for Type {
                 Ok(Self::from_after(t))
             }
             Terminal::Older(t) => {
-                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) == 1 {
+                if t == 0 || (t & SEQUENCE_LOCKTIME_DISABLE_FLAG) != 0 {
                     return Err(Error {
                         fragment: fragment.clone(),
                         error: ErrorKind::InvalidTime,