diff --git a/vendor/POCO/Data/MySQL/CMakeLists.txt b/vendor/POCO/Data/MySQL/CMakeLists.txt
index ab48f812..90ffee4f 100644
--- a/vendor/POCO/Data/MySQL/CMakeLists.txt
+++ b/vendor/POCO/Data/MySQL/CMakeLists.txt
@@ -37,9 +37,9 @@ endif()
 # Some instalations don't have mysql_reset_connection() even if their version indicates otherwise
 # Debian 9 (Stretch) is one such example
 if(UNIX)
-	file(STRINGS "${MYSQL_INCLUDE_DIR}/mysql.h" lines REGEX "mysql_reset_connection")
+    file(STRINGS "${MYSQL_INCLUDE_DIR}/mysql.h" lines REGEX "mysql_reset_connection")
     if(lines)
-		target_compile_definitions(DataMySQL PRIVATE HAVE_MYSQL_RESET_CONNECTION)
+        target_compile_definitions(DataMySQL PRIVATE HAVE_MYSQL_RESET_CONNECTION)
     endif()
 endif()