diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11d6c0f..cd99571 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -196,6 +196,7 @@ target_link_libraries(TeaSpeak PUBLIC
         threadpool::static jsoncpp_lib
         tomcrypt::static
         tommath::static
+        dl
 )
 
 target_compile_options(TeaSpeak PRIVATE "-Wall" "-DHAVE_MYSQL_H")
diff --git a/src/sql/mysql/MySQL.cpp b/src/sql/mysql/MySQL.cpp
index 8837c77..a4aa722 100644
--- a/src/sql/mysql/MySQL.cpp
+++ b/src/sql/mysql/MySQL.cpp
@@ -7,6 +7,11 @@
 #include <memory>
 #include <utility>
 
+#ifndef CR_CONNECTION_ERROR
+    #define CR_CONNECTION_ERROR     (2002)
+    #define CR_SERVER_GONE_ERROR    (2006)
+    #define CR_SERVER_LOST          (2013)
+#endif
 using namespace std;
 using namespace sql;
 using namespace sql::mysql;