diff --git a/addons/ofxAccelerometer/src/ofxAccelerometer.h b/addons/ofxAccelerometer/src/ofxAccelerometer.h
index ed25ebabf99..e07e30b5f89 100644
--- a/addons/ofxAccelerometer/src/ofxAccelerometer.h
+++ b/addons/ofxAccelerometer/src/ofxAccelerometer.h
@@ -36,6 +36,8 @@
 #include "ofEvents.h"
 #include "ofMathConstants.h"
 
+#include <cstring>
+
 typedef void (*ofxAccelCB)(ofPoint&);			// typedef for accelerometer callback
 
 class ofxAccelerometerHandler {
@@ -159,7 +161,7 @@ class ofxAccelerometerHandler {
 		if(length < 0.1) return;
 		
 		//Clear matrix to be used to rotate from the current referential to one based on the gravity vector
-		bzero(matrix, sizeof(matrix));
+		memset(matrix, 0, sizeof(matrix));
 		matrix[3][3] = 1.0;
 		
 		//Setup first matrix column as gravity vector