diff --git a/src/video/arm/SDL_sve2_extension.h b/src/video/arm/SDL_sve2_extension.h
index b9db084bba..24c46105d7 100644
--- a/src/video/arm/SDL_sve2_extension.h
+++ b/src/video/arm/SDL_sve2_extension.h
@@ -907,7 +907,8 @@ static inline svuint16_t sdl_sve_chn_blend_with_mask(svuint16_t vSource,
                                                      svuint16_t vMask)
 {
     // vTarget = vSource * vMask + vTarget * (255 - vMask);
-    svuint16_t vTemp0 = svmul_u16_m(svptrue_b16(), vSource, vMask);
+    svuint16_t vTemp0 = svdup_u16(1);
+    vTemp0 = svmla_u16_m(svptrue_b16(), vTemp0, vSource, vMask);
     vTemp0 = svmla_u16_m(svptrue_b16(),
                          vTemp0,
                          vTarget,
@@ -915,17 +916,13 @@ static inline svuint16_t sdl_sve_chn_blend_with_mask(svuint16_t vSource,
                                      svdup_u16(255),
                                      vMask));
 
-    vTemp0 = svadd_n_u16_m(svptrue_b16(), vTemp0, 1);
-
-    svuint16_t vTemp1 = svlsr_n_u16_m(svptrue_b16(), vTemp0, 8);
     /* x += x >> 8 */
-    vTemp0 = svadd_u16_m(svptrue_b16(),
-                         vTemp0,
-                         vTemp1);
-
-    return svlsr_n_u16_m(svptrue_b16(), vTemp0, 8); // vTarget >> 8;
+    return svreinterpret_u16_u8(
+        svaddhnb_u16(vTemp0,
+                     svlsr_n_u16_m(svptrue_b16(),
+                                   vTemp0,
+                                   8)));
 }
-
 /*! \note the Element range of vMask is [0, 0xFF]
  */
 SDL_TARGETING("arch=armv8-a+sve2")
@@ -968,15 +965,15 @@ static inline svuint16_t sdl_sve_chn_blend_with_opacity(svuint16_t vSource,
  */
 SDL_TARGETING("arch=armv8-a+sve2")
 static inline svuint16_t sdl_sve_chn_blend_with_opacity_fast(svuint16_t vSource,
-                                                        svuint16_t vTarget,
-                                                        uint16_t hwOpacity)
+                                                             svuint16_t vTarget,
+                                                             uint16_t hwOpacity)
 {
     // vTarget = vSource * vMask + vTarget * (255 - vMask);
     svuint16_t vTemp0 = svmul_n_u16_m(svptrue_b16(), vSource, hwOpacity);
     vTemp0 = svmla_n_u16_m(svptrue_b16(),
-                         vTemp0,
-                         vTarget,
-                         256 - hwOpacity);
+                           vTemp0,
+                           vTarget,
+                           256 - hwOpacity);
 
     return svlsr_n_u16_m(svptrue_b16(), vTemp0, 8); // vTarget >> 8;
 }