diff --git a/src/main/java/com/simibubi/create/content/contraptions/AbstractContraptionEntity.java b/src/main/java/com/simibubi/create/content/contraptions/AbstractContraptionEntity.java
index a91cf3b70..ce5f68de8 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/AbstractContraptionEntity.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/AbstractContraptionEntity.java
@@ -876,7 +876,7 @@ public abstract class AbstractContraptionEntity extends Entity implements IEntit
 			if (xRotation != 0)
 				matrix.multiply(new Matrix3d().asXRotation(AngleHelper.rad(-xRotation)));
 			if (yRotation != 0)
-				matrix.multiply(new Matrix3d().asYRotation(AngleHelper.rad(yRotation)));
+				matrix.multiply(new Matrix3d().asYRotation(AngleHelper.rad(-yRotation)));
 			if (zRotation != 0)
 				matrix.multiply(new Matrix3d().asZRotation(AngleHelper.rad(-zRotation)));
 			return matrix;
diff --git a/src/main/java/com/simibubi/create/foundation/collision/Matrix3d.java b/src/main/java/com/simibubi/create/foundation/collision/Matrix3d.java
index 0778f8d0d..fe9fff215 100644
--- a/src/main/java/com/simibubi/create/foundation/collision/Matrix3d.java
+++ b/src/main/java/com/simibubi/create/foundation/collision/Matrix3d.java
@@ -40,8 +40,8 @@ public class Matrix3d {
 		double s = Mth.sin(radians);
 		double c = Mth.cos(radians);
 		m00 = m22 = c;
-		m20 = s;
-		m02 = -s;
+		m02 = s;
+		m20 = -s;
 		return this;
 	}