diff --git a/crates/gpui/src/geometry.rs b/crates/gpui/src/geometry.rs
index bb750e80f8f98e3fadcbc822673663a8d7a2ce7f..f2d11029156f37d577b71d644a89cec95eda758d 100644
--- a/crates/gpui/src/geometry.rs
+++ b/crates/gpui/src/geometry.rs
@@ -2622,7 +2622,6 @@ impl Pixels {
     /// Returns:
     /// * `1.0` if the value is positive
     /// * `-1.0` if the value is negative
-    /// * `0.0` if the value is zero
     pub fn signum(&self) -> f32 {
         self.0.signum()
     }
diff --git a/crates/gpui/src/interactive.rs b/crates/gpui/src/interactive.rs
index c6eab26186a079f781d4d91d766d1130c8c4e86c..02d0aaac38ce6824ea9263d7d7f333246db2cb60 100644
--- a/crates/gpui/src/interactive.rs
+++ b/crates/gpui/src/interactive.rs
@@ -311,13 +311,13 @@ impl ScrollDelta {
     pub fn coalesce(self, other: ScrollDelta) -> ScrollDelta {
         match (self, other) {
             (ScrollDelta::Pixels(a), ScrollDelta::Pixels(b)) => {
-                let x = if a.x.signum() * b.x.signum() >= 0. {
+                let x = if a.x.signum() == b.x.signum() {
                     a.x + b.x
                 } else {
                     b.x
                 };
 
-                let y = if a.y.signum() * b.y.signum() >= 0. {
+                let y = if a.y.signum() == b.y.signum() {
                     a.y + b.y
                 } else {
                     b.y
@@ -327,13 +327,13 @@ impl ScrollDelta {
             }
 
             (ScrollDelta::Lines(a), ScrollDelta::Lines(b)) => {
-                let x = if a.x.signum() * b.x.signum() >= 0. {
+                let x = if a.x.signum() == b.x.signum() {
                     a.x + b.x
                 } else {
                     b.x
                 };
 
-                let y = if a.y.signum() * b.y.signum() >= 0. {
+                let y = if a.y.signum() == b.y.signum() {
                     a.y + b.y
                 } else {
                     b.y