diff --git a/server/motion_processor.cpp b/server/motion_processor.cpp
index fa6fb7d3..d55b450b 100644
--- a/server/motion_processor.cpp
+++ b/server/motion_processor.cpp
@@ -37,6 +37,10 @@ motion_processor::motion_processor(bc_record *bcRecord)
 
 	memset(&m_debugEventTime, 0, sizeof(struct tm));
 	m_debugEventTime.tm_sec = -1;
+
+	// m_refFrames[2] is a static array so ctors, dtors are not called automatically on elements
+	new(&m_refFrames[0]) cv::Mat();
+	new(&m_refFrames[1]) cv::Mat();
 }
 
 motion_processor::~motion_processor()
@@ -55,9 +59,9 @@ motion_processor::~motion_processor()
 	}
 #endif
 
-	for (int i = 0; i < sizeof(m_refFrames); i++) {
-		m_refFrames[i].release();
-	}
+	// m_refFrames[2] is a static array so ctors, dtors are not called automatically on elements
+	m_refFrames[0].~Mat();
+	m_refFrames[1].~Mat();
 	delete output_source;
 }
 
@@ -579,7 +583,6 @@ int motion_processor::detect_opencv(AVFrame *rawFrame)
     // first things first... get the original frame from the AVFrame and convert it to an OpenCV Grayscale Mat, and the "downscale" size.
     cv::Mat m = cv::Mat(dst_h, dst_w, CV_8UC1);
     if (convert_AVFrame_to_grayMat(rawFrame, m) == 0) {
-	    m.release();
         return 0; // error converting frame...
     }
 
@@ -620,7 +623,6 @@ int motion_processor::detect_opencv(AVFrame *rawFrame)
 
 	if (m_motionDebug)
         check_for_new_debug_event(ret);
-	m.release();
 	return ret;
 }
 
@@ -633,7 +635,6 @@ int motion_processor::detect_opencv_advanced(AVFrame *rawFrame)
     // first things first... get the original frame from the AVFrame and convert it to an OpenCV Grayscale Mat, and the "downscale" size.
     cv::Mat m = cv::Mat(dst_h, dst_w, CV_8UC1);
     if (convert_AVFrame_to_grayMat(rawFrame, m) == 0) {
-        m.release();
         return 0; // error converting frame...
     }
 
@@ -669,7 +670,6 @@ int motion_processor::detect_opencv_advanced(AVFrame *rawFrame)
     }
 
     m_motionTriggered = (num_md_frames >= m_minMotionFrames);
-    m.release();
     return m_motionTriggered;
 }