diff --git a/kernel/power/izamax.c b/kernel/power/izamax.c
index cfe78c8c0..3c132f81a 100644
--- a/kernel/power/izamax.c
+++ b/kernel/power/izamax.c
@@ -316,6 +316,7 @@ BLASLONG CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
      
     if (inc_x == 1) {
 
+#if defined(_CALL_ELF) && (_CALL_ELF == 2)
       BLASLONG n1 = n & -16;
       if (n1 > 0) {
 
@@ -323,6 +324,7 @@ BLASLONG CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
             i = n1;
             ix = n1 << 1;
       }
+#endif
 
       while(i < n)
     {