diff --git a/libs/rs/rsMatrix.cpp b/libs/rs/rsMatrix.cpp
index 2f2140523c4eb..94eef136262e2 100644
--- a/libs/rs/rsMatrix.cpp
+++ b/libs/rs/rsMatrix.cpp
@@ -73,7 +73,7 @@ void Matrix::loadRotate(float rot, float x, float y, float z)
     s = sinf(rot);
 
     const float len = sqrtf(x*x + y*y + z*z);
-    if (!(len != 1)) {
+    if (len != 1) {
         const float recipLen = 1.f / len;
         x *= recipLen;
         y *= recipLen;
diff --git a/libs/rs/scriptc/rs_core.rsh b/libs/rs/scriptc/rs_core.rsh
index 01b039f6dee10..93e009a2ad364 100644
--- a/libs/rs/scriptc/rs_core.rsh
+++ b/libs/rs/scriptc/rs_core.rsh
@@ -260,7 +260,7 @@ rsMatrixLoadRotate(rs_matrix4x4 *m, float rot, float x, float y, float z) {
     s = sin(rot);
 
     const float len = x*x + y*y + z*z;
-    if (!(len != 1)) {
+    if (len != 1) {
         const float recipLen = 1.f / sqrt(len);
         x *= recipLen;
         y *= recipLen;