diff --git a/src/lang/nl_NL.h b/src/lang/nl_NL.h
index 92e22846..79afa3d1 100644
--- a/src/lang/nl_NL.h
+++ b/src/lang/nl_NL.h
@@ -30,6 +30,7 @@
 #define D_FILE_SIZE_KILOBYTES "KiB"
 #define D_FILE_SIZE_MEGABYTES "MiB"
 #define D_FILE_SIZE_GIGABYTES "GiB"
+#define D_FILE_SIZE_TERABYTES "TiB"
 #define D_FILE_SIZE_DIVIDER 1024 //  kibi or kilo bytes
 #define D_DECIMAL_POINT ","      //  decimal comma or point