diff --git a/src/GlideHQ/TxReSample.cpp b/src/GlideHQ/TxReSample.cpp
index 138428b..d1dad07 100644
--- a/src/GlideHQ/TxReSample.cpp
+++ b/src/GlideHQ/TxReSample.cpp
@@ -25,6 +25,7 @@
 #include "TxDbg.h"
 #include <stdlib.h>
 #include <memory.h>
+#include <string.h>
 
 #define _USE_MATH_DEFINES
 #include <math.h>