diff --git a/src/common/CharSet.h b/src/common/CharSet.h
index 6437d125b7..8c9f686faf 100644
--- a/src/common/CharSet.h
+++ b/src/common/CharSet.h
@@ -38,8 +38,11 @@ namespace Firebird {
 	template <>
 	inline void SimpleDelete<charset>::clear(charset* cs)
 	{
-		Firebird::IntlUtil::finiCharset(cs);
-		delete cs;
+		if (cs)
+		{
+			Firebird::IntlUtil::finiCharset(cs);
+			delete cs;
+		}
 	}
 
 }
diff --git a/src/intl/lc_icu.cpp b/src/intl/lc_icu.cpp
index 2b6e157136..0f99708ff7 100644
--- a/src/intl/lc_icu.cpp
+++ b/src/intl/lc_icu.cpp
@@ -52,7 +52,7 @@ static bool texttype_default_init(texttype* tt,
 								  //const ASCII* configInfo)
 {
 	AutoPtr<charset> cs(FB_NEW charset);
-	memset(&cs, 0, sizeof(cs));
+	memset(cs, 0, sizeof(*cs));
 
 	// test if that ICU charset exist
 	if (!CSICU_charset_init(cs, charSetName))