1 files changed, 5 insertions, 3 deletions
diff --git a/numeric.c b/numeric.c
index b5cd479a57..40e607b222 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1295,12 +1295,14 @@ static VALUE
 fix_aref(fix, idx)
     VALUE fix, idx;
 {
-    unsigned long val = FIX2LONG(fix);
+    long val = FIX2LONG(fix);
     int i = NUM2INT(idx);
 
-    if (i < 0 || sizeof(VALUE)*CHAR_BIT-1 < i)
+    if (i < 0 || sizeof(VALUE)*CHAR_BIT-1 < i) {
+	if (val < 0) return INT2FIX(1);
 	return INT2FIX(0);
-    if (val & (1<<i))
+    }
+    if (val & (1L<<i))
 	return INT2FIX(1);
     return INT2FIX(0);
 }