diff --git a/libavcodec/riscv/audiodsp_rvv.S b/libavcodec/riscv/audiodsp_rvv.S
index f4308f27c5..8e8bbd2058 100644
--- a/libavcodec/riscv/audiodsp_rvv.S
+++ b/libavcodec/riscv/audiodsp_rvv.S
@@ -21,7 +21,7 @@
 #include "libavutil/riscv/asm.S"
 
 func ff_scalarproduct_int16_rvv, zve32x
-        vsetvli     zero, zero, e16, m1, ta, ma
+        vsetivli    zero, 1, e16, m1, ta, ma
         vmv.s.x     v8, zero
 1:
         vsetvli     t0, a2, e16, m1, ta, ma
diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S
index 2bf8c6ee96..77961b7387 100644
--- a/libavutil/riscv/float_dsp_rvv.S
+++ b/libavutil/riscv/float_dsp_rvv.S
@@ -166,7 +166,7 @@ endfunc
 
 // a0 = (a0).(a1) [0..a2-1]
 func ff_scalarproduct_float_rvv, zve32f
-        vsetvli      zero, zero, e32, m1, ta, ma
+        vsetivli     zero, 1, e32, m1, ta, ma
         vmv.s.x      v8, zero
 1:
         vsetvli      t0, a2, e32, m1, ta, ma