diff --git a/libavcodec/ppc/h264dsp.c b/libavcodec/ppc/h264dsp.c
index d832e7f01c..c558dafa0b 100644
--- a/libavcodec/ppc/h264dsp.c
+++ b/libavcodec/ppc/h264dsp.c
@@ -749,16 +749,16 @@ void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h
             v0 = vec_mladd(v0, vweightd, zero_s16v);
             v2 = vec_mladd(v2, vweights, zero_s16v);
 
-            v0 = vec_adds(v0, voffset);
             v0 = vec_adds(v0, v2);
+            v0 = vec_adds(v0, voffset);
             v0 = vec_sra(v0, vlog2_denom);
         }
         if (w == 16 || !dst_aligned) {
             v1 = vec_mladd(v1, vweightd, zero_s16v);
             v3 = vec_mladd(v3, vweights, zero_s16v);
 
-            v1 = vec_adds(v1, voffset);
             v1 = vec_adds(v1, v3);
+            v1 = vec_adds(v1, voffset);
             v1 = vec_sra(v1, vlog2_denom);
         }
         vdst = vec_packsu(v0, v1);
diff --git a/tests/checkasm/h264dsp.c b/tests/checkasm/h264dsp.c
index a38ee32d9c..61839b13d6 100644
--- a/tests/checkasm/h264dsp.c
+++ b/tests/checkasm/h264dsp.c
@@ -544,8 +544,8 @@ static void check_weight(void)
     }
 }
 
-// only arch that can pass test
-#define H264_CHECK_BIWEIGHT ARCH_X86
+// only archs that can pass test
+#define H264_CHECK_BIWEIGHT (ARCH_X86 || ARCH_PPC)
 
 #if H264_CHECK_BIWEIGHT
 static void check_biweight(void)