diff --git a/sds.c b/sds.c
index ba93282..3be1c55 100644
--- a/sds.c
+++ b/sds.c
@@ -744,17 +744,16 @@ void sdsrange(sds s, ssize_t start, ssize_t end) {
         end = len+end;
         if (end < 0) end = 0;
     }
-    newlen = (start > end) ? 0 : (end-start)+1;
-    if (newlen != 0) {
-        if (start >= (ssize_t)len) {
-            newlen = 0;
-        } else if (end >= (ssize_t)len) {
-            end = len-1;
-            newlen = (start > end) ? 0 : (end-start)+1;
-        }
+
+    if (end >= (signed)len) {
+        end = len - 1;
+    }
+    if (start >= (signed)len) {
+        newlen = 0;
     } else {
-        start = 0;
+        newlen = (start > end) ? 0 : (end-start)+1;
     }
+
     if (start && newlen) memmove(s, s+start, newlen);
     s[newlen] = 0;
     sdssetlen(s,newlen);