diff --git a/kernel/x86_64/cdot.c b/kernel/x86_64/cdot.c
index 93fca0a0d..f71d7b6b4 100644
--- a/kernel/x86_64/cdot.c
+++ b/kernel/x86_64/cdot.c
@@ -141,8 +141,8 @@ OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLA
 		i=0;
 		ix=0;
 		iy=0;
-		inc_x <<= 1;
-		inc_y <<= 1;
+		inc_x *= 2;
+		inc_y *= 2;
 		while(i < n)
 		{