diff --git a/Python/hypot.c b/Python/hypot.c
index 293aeb8..b21deea 100644
--- a/Python/hypot.c
+++ b/Python/hypot.c
@@ -4,9 +4,7 @@
 #include "myproto.h"
 #include "mymath.h"
 
-double hypot(x, y)
-	double x;
-	double y;
+double hypot(double x, double y)
 {
 	double yx;