diff --git a/slsDetectorSoftware/jungfrauDetectorServer/jungfrauDetectorServerv2.2.1 b/slsDetectorSoftware/jungfrauDetectorServer/jungfrauDetectorServerv2.2.1
index 4ef501c94..4f8fd0feb 100755
Binary files a/slsDetectorSoftware/jungfrauDetectorServer/jungfrauDetectorServerv2.2.1 and b/slsDetectorSoftware/jungfrauDetectorServer/jungfrauDetectorServerv2.2.1 differ
diff --git a/slsDetectorSoftware/jungfrauDetectorServer/server_funcs.c b/slsDetectorSoftware/jungfrauDetectorServer/server_funcs.c
index ae3e5a1d9..8c6a7925d 100755
--- a/slsDetectorSoftware/jungfrauDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/jungfrauDetectorServer/server_funcs.c
@@ -1876,9 +1876,9 @@ int read_frame(int file_des) {
 
 #ifdef MCB_FUNCS
 	waitForAcquisitionEnd();
-	if (getFrames()>-2) {
+	if (getFrames()+1>0) {
 		dataret=FAIL;
-		sprintf(mess,"no data and run stopped: %d frames left\n",(int)(getFrames()+2));
+		sprintf(mess,"no data and run stopped: %d frames left\n",(int)(getFrames()+1));
 	} else {
 		dataret=FINISHED;
 		sprintf(mess,"acquisition successfully finished\n");