diff --git a/modules/highgui/src/cap_pvapi.cpp b/modules/highgui/src/cap_pvapi.cpp
index 0e3f03f405..a80b993549 100644
--- a/modules/highgui/src/cap_pvapi.cpp
+++ b/modules/highgui/src/cap_pvapi.cpp
@@ -109,7 +109,7 @@ protected:
 CvCaptureCAM_PvAPI::CvCaptureCAM_PvAPI()
 {
 	monocrome=false;
-    memset(&this->Camera, 0, sizeof(this->tCamera));
+    memset(&this->Camera, 0, sizeof(this->Camera));
 }
 void CvCaptureCAM_PvAPI::Sleep(unsigned int time)
 {