diff --git a/impeller/geometry/geometry_unittests.cc b/impeller/geometry/geometry_unittests.cc
index c2b10a32d6798..8ba3c6e9b719d 100644
--- a/impeller/geometry/geometry_unittests.cc
+++ b/impeller/geometry/geometry_unittests.cc
@@ -284,8 +284,8 @@ TEST(GeometryTest, MatrixMakePerspective) {
     auto expect = Matrix{
         3.4641, 0,       0,        0,   //
         0,      1.73205, 0,        0,   //
-        0,      0,       -1.22222, -1,  //
-        0,      0,       -2.22222, 0,   //
+        0,      0,       -1.11111, -1,  //
+        0,      0,       -1.11111, 0,   //
     };
     ASSERT_MATRIX_NEAR(m, expect);
   }
@@ -295,8 +295,8 @@ TEST(GeometryTest, MatrixMakePerspective) {
     auto expect = Matrix{
         0.915244, 0,       0,   0,   //
         0,        1.83049, 0,   0,   //
-        0,        0,       -3,  -1,  //
-        0,        0,       -40, 0,   //
+        0,        0,       -2,  -1,  //
+        0,        0,       -20, 0,   //
     };
     ASSERT_MATRIX_NEAR(m, expect);
   }
diff --git a/impeller/geometry/matrix.h b/impeller/geometry/matrix.h
index 2a622a4ed2f63..a3c300dda1830 100644
--- a/impeller/geometry/matrix.h
+++ b/impeller/geometry/matrix.h
@@ -336,14 +336,13 @@ struct Matrix {
                                           Scalar z_far) {
     Scalar height = std::tan(fov_y.radians * 0.5);
     Scalar width = height * aspect_ratio;
-    Scalar z_diff = z_near - z_far;
 
     // clang-format off
     return {
-      1.0f / width, 0.0f,          0.0f,                              0.0f,
-      0.0f,         1.0f / height, 0.0f,                              0.0f,
-      0.0f,         0.0f,          (z_near + z_far) / z_diff,        -1.0f,
-      0.0f,         0.0f,          (2.0f * z_near * z_far) / z_diff,  0.0f
+      1.0f / width, 0.0f,           0.0f,                                 0.0f,
+      0.0f,         1.0f / height,  0.0f,                                 0.0f,
+      0.0f,         0.0f,           z_far / (z_near - z_far),            -1.0f,
+      0.0f,         0.0f,          -(z_far * z_near) / (z_far - z_near),  0.0f,
     };
     // clang-format on
   }