diff --git a/src/driver/framebuffer.cpp b/src/driver/framebuffer.cpp
index eb01cb813..8e0707a2b 100644
--- a/src/driver/framebuffer.cpp
+++ b/src/driver/framebuffer.cpp
@@ -200,6 +200,7 @@ CFrameBuffer::CFrameBuffer()
 	backgroundFilename = "";
 	fd  = 0;
 	tty = 0;
+	bpp = 0;
 	m_transparent_default = CFrameBuffer::TM_BLACK; // TM_BLACK: Transparency when black content ('pseudo' transparency)
 							// TM_NONE:  No 'pseudo' transparency
 							// TM_INI:   Transparency depends on g_settings.infobar_alpha ???
diff --git a/src/driver/framebuffer_spark.cpp b/src/driver/framebuffer_spark.cpp
index 97a206919..7ce4d1f76 100644
--- a/src/driver/framebuffer_spark.cpp
+++ b/src/driver/framebuffer_spark.cpp
@@ -111,6 +111,7 @@ CFrameBuffer::CFrameBuffer()
 	backgroundFilename = "";
 	fd  = 0;
 	tty = 0;
+	bpp = 0;
 //FIXME: test
 	memset(red, 0, 256*sizeof(__u16));
 	memset(green, 0, 256*sizeof(__u16));
diff --git a/src/gui/infoviewer.cpp b/src/gui/infoviewer.cpp
index 5236fe86f..e14d4f6d5 100644
--- a/src/gui/infoviewer.cpp
+++ b/src/gui/infoviewer.cpp
@@ -99,6 +99,9 @@ CInfoViewer::CInfoViewer ()
 	hddscale = NULL;
 	varscale = NULL;
 	timescale = NULL;
+	info_CurrentNext.current_zeit.startzeit = 0;
+	info_CurrentNext.current_zeit.dauer = 0;
+	info_CurrentNext.flags = 0;
 	Init();
 }
 
diff --git a/src/zapit/src/frontend.cpp b/src/zapit/src/frontend.cpp
index aa913c206..ae26ab10a 100644
--- a/src/zapit/src/frontend.cpp
+++ b/src/zapit/src/frontend.cpp
@@ -176,6 +176,7 @@ CFrontend::CFrontend(int Number, int Adapter)
 	highVoltage = false;
 	motorRotationSpeed = 0; //in 0.1 degrees per second
 
+	currentToneMode = SEC_TONE_OFF;
 }
 
 CFrontend::~CFrontend(void)