diff --git a/kmath-functions/src/commonTest/kotlin/space/kscience/kmath/interpolation/LinearInterpolatorTest.kt b/kmath-functions/src/commonTest/kotlin/space/kscience/kmath/interpolation/LinearInterpolatorTest.kt
index 1143036d4..5eb1d7d1a 100644
--- a/kmath-functions/src/commonTest/kotlin/space/kscience/kmath/interpolation/LinearInterpolatorTest.kt
+++ b/kmath-functions/src/commonTest/kotlin/space/kscience/kmath/interpolation/LinearInterpolatorTest.kt
@@ -13,7 +13,7 @@ internal class LinearInterpolatorTest {
     @Test
     fun testInterpolation() {
         val data = listOf(
-            0.0 to 0.0,
+            0.0 to 0.1,
             1.0 to 1.0,
             2.0 to 3.0,
             3.0 to 4.0
diff --git a/kmath-geometry/src/commonTest/kotlin/space/kscience/kmath/geometry/ProjectionAlongTest.kt b/kmath-geometry/src/commonTest/kotlin/space/kscience/kmath/geometry/ProjectionAlongTest.kt
index dfb65a57c..77562ac86 100644
--- a/kmath-geometry/src/commonTest/kotlin/space/kscience/kmath/geometry/ProjectionAlongTest.kt
+++ b/kmath-geometry/src/commonTest/kotlin/space/kscience/kmath/geometry/ProjectionAlongTest.kt
@@ -27,7 +27,7 @@ internal class ProjectionAlongTest {
     @Test
     fun projectionOntoLine() {
         with(Euclidean2DSpace) {
-            val a = 5.0
+            val a = 4.0
             val b = -3.0
             val c = -15.0
             val normal = Vector2D(-5.0, 3.0)