diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index 2d8ed5847..c67393f57 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -173,7 +173,7 @@ void setupDetector() {
 	setTimer(FRAME_NUMBER, DEFAULT_NUM_FRAMES);
 	setTimer(CYCLES_NUMBER, DEFAULT_NUM_CYCLES);
 	setTimer(ACQUISITION_TIME, DEFAULT_EXPTIME);
-	
+	setTimer(FRAME_PERIOD, DEFAULT_PERIOD);
 }
 
 
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
index b6ccb2b3a..95fe5794f 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
@@ -16,5 +16,5 @@
 #define DEFAULT_NUM_FRAMES			(1)
 #define DEFAULT_NUM_CYCLES			(1)
 #define DEFAULT_EXPTIME				(100*1000*1000)		//ns
-
+#define DEFAULT_PERIOD              (2*1000*1000)	    //ns