diff --git a/kernel/x86_64/srot.c b/kernel/x86_64/srot.c
index d9583cdfa..4273f7fe7 100644
--- a/kernel/x86_64/srot.c
+++ b/kernel/x86_64/srot.c
@@ -13,7 +13,7 @@ static void srot_kernel(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT c, FLOAT s)
 {
     BLASLONG i = 0;
     
-#if V_SIMD
+#if V_SIMD && (HAVE_FMA3 || V_SIMD > 128)
     const int vstep = v_nlanes_f32;
     const int unrollx4 = n & (-vstep * 4);
     const int unrollx = n & -vstep;