1 files changed, 2 insertions, 2 deletions
diff --git a/configure b/configure
index 32b89d596c..0a63be065b 100644
--- a/configure
+++ b/configure
@@ -3783,7 +3783,7 @@ else
 int
 main()
 {
-  if (-1==(-1>>(unsigned)1))
+  if (-1==(-1>>1))
     return 0;
   return 1;
 }
@@ -3806,7 +3806,7 @@ fi
 echo "$ac_t""$rb_cv_rshift_sign" 1>&6
 if test "$rb_cv_rshift_sign" = yes; then
   cat >> confdefs.h <<\EOF
-#define RSHIFT(x,y) ((x)>>y)
+#define RSHIFT(x,y) ((x)>>(int)y)
 EOF
 
 else