diff --git a/lib/xmltree/xmlparse.cpp b/lib/xmltree/xmlparse.cpp
index 26608c884..e9b9766b5 100644
--- a/lib/xmltree/xmlparse.cpp
+++ b/lib/xmltree/xmlparse.cpp
@@ -582,7 +582,7 @@ enum XML_Error XML_Parser::doContent(int startTagLevel, const ENCODING *enc, con
 
 	for (;;)
 	{
-		const char *next;
+		const char *next = NULL;
 		int tok=XmlContentTok(enc, s, end, &next);
 		*eventEndPP = next;
 
@@ -1232,7 +1232,7 @@ enum XML_Error XML_Parser::doCdataSection(const ENCODING *enc, const char **star
 
 	for (;;)
 	{
-		const char *next;
+		const char *next = NULL;
 
 		int tok=XmlCdataSectionTok(enc, s, end, &next);
 
@@ -1843,7 +1843,7 @@ enum XML_Error epilogProcessor(void *parser, const char *s, const char *end, con
 
 	for (;;)
 	{
-		const char *next;
+		const char *next = NULL;
 
 		int tok=XmlPrologTok(p->encoding, s, end, &next);
 		p->eventEndPtr=next;
diff --git a/src/gui/info_menue.cpp b/src/gui/info_menue.cpp
index 4b5a18a20..161b11bf9 100644
--- a/src/gui/info_menue.cpp
+++ b/src/gui/info_menue.cpp
@@ -72,7 +72,7 @@ int CInfoMenu::exec(CMenuTarget* parent, const std::string &actionKey)
 	if (actionKey == "cs_get_info")
 	{
 #if HAVE_CST_HARDWARE
-		char str[1024];
+		char str[1024] = {};
 		sprintf(str, "cs_get_revision(): 0x%02X\n", cs_get_revision());
 		sprintf(str, "%scs_get_chip_type(): 0x%04X\n", str, cs_get_chip_type());
 		ShowMsg(LOCALE_MESSAGEBOX_INFO, str, CMsgBox::mbrBack, CMsgBox::mbBack);
diff --git a/src/gui/lua/lua_menue.cpp b/src/gui/lua/lua_menue.cpp
index d934e162a..f5300ea1c 100644
--- a/src/gui/lua/lua_menue.cpp
+++ b/src/gui/lua/lua_menue.cpp
@@ -338,7 +338,7 @@ int CLuaInstMenu::MenuAddItem(lua_State *L)
 	lua_assert(lua_istable(L, 2));
 
 	CMenuItem *mi = NULL;
-	CLuaMenuItem i;
+	CLuaMenuItem i = {};
 	D->items.push_back(i);
 	CLuaMenuItem *b = &D->items.back();
 
diff --git a/src/nhttpd/tuxboxapi/controlapi.cpp b/src/nhttpd/tuxboxapi/controlapi.cpp
index eb216b23f..5c933604b 100644
--- a/src/nhttpd/tuxboxapi/controlapi.cpp
+++ b/src/nhttpd/tuxboxapi/controlapi.cpp
@@ -3015,11 +3015,12 @@ void CControlAPI::doNewTimer(CyhookHandler *hh)
 
 	std::string _rec_dir = hh->ParamList["rec_dir"];
 	void *data=NULL;
+	bool standby_on = false;
 	if(type == CTimerd::TIMER_RECORD)
 		announceTimeT-=120;
 	if(type == CTimerd::TIMER_STANDBY)
 	{
-		bool standby_on = (hh->ParamList["sbon"]=="1");
+		standby_on = (hh->ParamList["sbon"]=="1");
 		data=&standby_on;
 	}
 	/* else if(type==CTimerd::TIMER_NEXTPROGRAM || type==CTimerd::TIMER_ZAPTO) */