diff --git a/examples/server/README.md b/examples/server/README.md
index f47a14776..bdb1e074b 100644
--- a/examples/server/README.md
+++ b/examples/server/README.md
@@ -533,7 +533,7 @@ With input 'á' (utf8 hex: C3 A1) on tinyllama/stories260k
 ```json
 {
   "tokens": [
-    {"id": 198, "piece": [195]}, // hex C3 
+    {"id": 198, "piece": [195]}, // hex C3
     {"id": 164, "piece": [161]} // hex A1
   ]
 }
diff --git a/examples/server/tests/features/server.feature b/examples/server/tests/features/server.feature
index 6ba6f39f3..15e24c624 100644
--- a/examples/server/tests/features/server.feature
+++ b/examples/server/tests/features/server.feature
@@ -104,15 +104,15 @@ Feature: llama.cpp server
     Then  tokens begin with BOS
     Given first token is removed
     Then  tokens can be detokenized
-  
+
   Scenario: Tokenize with pieces
     When  tokenizing with pieces:
     """
-    What is the capital of Germany? 
+    What is the capital of Germany?
     媽
     """
     Then  tokens are given with pieces
-  
+
   Scenario: Models available
     Given available models
     Then  1 models are supported
diff --git a/examples/server/utils.hpp b/examples/server/utils.hpp
index 6f81e4e6b..31a7e7bf5 100644
--- a/examples/server/utils.hpp
+++ b/examples/server/utils.hpp
@@ -603,7 +603,7 @@ static bool is_valid_utf8(const std::string & str) {
             bytes += 3;
         } else if ((*bytes & 0xF8) == 0xF0) {
             // 4-byte sequence (11110xxx 10xxxxxx 10xxxxxx 10xxxxxx)
-            if (end - bytes < 4 || (bytes[1] & 0xC0) != 0x80 || 
+            if (end - bytes < 4 || (bytes[1] & 0xC0) != 0x80 ||
                 (bytes[2] & 0xC0) != 0x80 || (bytes[3] & 0xC0) != 0x80)
                 return false;
             bytes += 4;