diff --git a/app/utils/overwrite.c b/app/utils/overwrite.c
index 90eb496a..bed8aa65 100644
--- a/app/utils/overwrite.c
+++ b/app/utils/overwrite.c
@@ -9,6 +9,7 @@
 #include <zsv/utils/overwrite.h>
 #include <zsv/utils/cache.h>
 #include <zsv/utils/file.h>
+#include <zsv/utils/string.h>
 
 #define zsv_overwrite_sqlite3_prefix "sqlite3://"
 #define zsv_overwrite_sql_prefix "sql="