diff --git a/Foundation/include/Poco/Any.h b/Foundation/include/Poco/Any.h
index 7055f10d1..9927776a1 100644
--- a/Foundation/include/Poco/Any.h
+++ b/Foundation/include/Poco/Any.h
@@ -139,7 +139,7 @@ public:
 
 private:
 	typedef std::max_align_t AlignerType;
-	static_assert(sizeof(AlignerType) >= SizeV + 1, "Aligner type is bigger than the actual storage, so SizeV should be made bigger otherwise you simply waste unused memory.");
+	static_assert(sizeof(AlignerType) <= SizeV + 1, "Aligner type is bigger than the actual storage, so SizeV should be made bigger otherwise you simply waste unused memory.");
 
 	void setLocal(bool local) const
 	{
diff --git a/Foundation/include/Poco/Dynamic/VarHolder.h b/Foundation/include/Poco/Dynamic/VarHolder.h
index 9db40a0c5..0ae246ab7 100644
--- a/Foundation/include/Poco/Dynamic/VarHolder.h
+++ b/Foundation/include/Poco/Dynamic/VarHolder.h
@@ -361,7 +361,7 @@ protected:
 
 		if (from < 0)
 			throw RangeException("Value too small.");
-		checkUpperLimit<std::make_unsigned<F>,T>(from);
+		checkUpperLimit<std::make_unsigned_t<F>,T>(from);
 		to = static_cast<T>(from);
 	}