diff --git a/kernel/syscall/skeleton.cc b/kernel/syscall/skeleton.cc
index a139503..afe1da3 100644
--- a/kernel/syscall/skeleton.cc
+++ b/kernel/syscall/skeleton.cc
@@ -66,16 +66,16 @@ size_t read(Vault &vault, uint32_t id, void *buf, size_t len) {
     (void)id;
 
     size_t read_cnt = 0;
-    while(read_cnt <= len){
+    while(read_cnt < len){
         Key key;
         vault.keys_sem.p(vault);
         vault.keys.consume(key);
         if(key.valid())
             ((char*)buf)[read_cnt++] = key.ascii();
         else
-            return read_cnt;
+            break;
     }
-    return len;
+    return read_cnt;
 }
 
 void sleep(Vault &vault, size_t ms) {
diff --git a/kernel/user/app2/kappl.cc b/kernel/user/app2/kappl.cc
index 8c714b5..7f85175 100644
--- a/kernel/user/app2/kappl.cc
+++ b/kernel/user/app2/kappl.cc
@@ -15,7 +15,7 @@ void KeyboardApplication::action() {  // NOLINT
 	while(1){
 		char msg[11];
 		int len;
-		len = read(0, msg, 10);
+		len = read(0, msg, 1);
 		if(len){
 			write(0, msg, len);
 			memcpy(&cmd_buff[bufferpos], msg, len);