diff --git a/libssh/string.c b/libssh/string.c
index 25743688..26d1309c 100644
--- a/libssh/string.c
+++ b/libssh/string.c
@@ -42,9 +42,6 @@
 struct string_struct *string_new(size_t size) {
   struct string_struct *str = NULL;
 
-  if (size == 0) {
-    return NULL;
-  }
   str = malloc(size + 4);
   if (str == NULL) {
     return NULL;