diff --git a/src/lib_json/json_value.cpp b/src/lib_json/json_value.cpp
index 30c1208..14cf618 100644
--- a/src/lib_json/json_value.cpp
+++ b/src/lib_json/json_value.cpp
@@ -105,7 +105,7 @@ static inline char *duplicateStringValue(const char *value,
 /** Free the string duplicated by duplicateStringValue().
  */
 static inline void releaseStringValue(char *value) {
-	free(value);
+  free(value);
 }
 
 } // namespace Json
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index ab3979a..d46d938 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -74,20 +74,20 @@ std::string valueToString(double value) {
 #if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with
                                                       // visual studio 2005 to
                                                       // avoid warning.
-	int len;
+  int len;
   #if defined(WINCE)
-		len = _snprintf(buffer, sizeof(buffer), "%.16g", value);
+  len = _snprintf(buffer, sizeof(buffer), "%.16g", value);
   #else
-		len = sprintf_s(buffer, sizeof(buffer), "%.16g", value);
+  len = sprintf_s(buffer, sizeof(buffer), "%.16g", value);
   #endif
-                assert(len>=0);
-		fixNumericLocale(buffer, buffer + len);
+  assert(len>=0);
+  fixNumericLocale(buffer, buffer + len);
 #else
   if ( isfinite( value ))
-	{
-		int len = snprintf(buffer, sizeof(buffer), "%.16g", value);
-                assert(len>=0);
-		fixNumericLocale(buffer, buffer + len);
+  {
+    int len = snprintf(buffer, sizeof(buffer), "%.16g", value);
+    assert(len>=0);
+    fixNumericLocale(buffer, buffer + len);
   }
   else
   {