diff --git a/src/driver/streamts.cpp b/src/driver/streamts.cpp
index eefaeb591..84c84e078 100644
--- a/src/driver/streamts.cpp
+++ b/src/driver/streamts.cpp
@@ -58,6 +58,10 @@
 #include <driver/streamts.h>
 #include <driver/record.h>
 #include <driver/genpsi.h>
+#include <pwrmngr.h>
+
+/* defined in neutrino.cpp */
+extern cCpuFreqManager * cpuFreq;
 
 /* experimental mode:
  * stream not possible, if record running
@@ -341,6 +345,7 @@ bool CStreamManager::Parse(int fd, stream_pids_t &pids, t_channel_id &chid)
 	int mode = CNeutrinoApp::getInstance()->getMode();
 	if (mode == NeutrinoMessages::mode_standby && streams.empty()) {
 		printf("CStreamManager::Parse: wakeup zapit..\n");
+		cpuFreq->SetCpuFreq(g_settings.cpufreq * 1000 * 1000);
 		g_Zapit->setStandby(false);
 		g_Zapit->getMode();
 	}
@@ -521,6 +526,7 @@ void CStreamManager::run()
 					if (g_Zapit->getMode() != 0) {
 						printf("CStreamManager::run: put zapit into standby...\n");
 						g_Zapit->setStandby(true);
+						cpuFreq->SetCpuFreq(g_settings.standby_cpufreq * 1000 * 1000);
 					}
 				}
 			}