diff --git a/crates/typst/src/geom/transform.rs b/crates/typst/src/geom/transform.rs
index 5bfcdbac0..52400f7d7 100644
--- a/crates/typst/src/geom/transform.rs
+++ b/crates/typst/src/geom/transform.rs
@@ -97,7 +97,7 @@ impl Transform {
         }
 
         let det = self.sx * self.sy - self.kx * self.ky;
-        if det.get() < 1e-12 {
+        if det.get().abs() < 1e-12 {
             return None;
         }