diff --git a/common/profanity_manager.cpp b/common/profanity_manager.cpp
index 1cf453ba5..70817576f 100644
--- a/common/profanity_manager.cpp
+++ b/common/profanity_manager.cpp
@@ -21,6 +21,7 @@
 #include "dbcore.h"
 
 #include <ctype.h>
+#include <cstring>
 #include <algorithm>