diff --git a/src/math.c b/src/math.c
index f9110bb..5e97611 100644
--- a/src/math.c
+++ b/src/math.c
@@ -197,7 +197,7 @@
 	{
 		rv = 1;
 
-		for(uint32_t i = 1; (i < 7) && x_int; i++, x_int >>= 1)
+		for(uint32_t i = 0; (i < 7) && x_int; i++, x_int >>= 1)
 			if (x_int & 0x01)
 				rv *= int_exps[i];
 	}