diff --git a/matroska/matroskatrack.cpp b/matroska/matroskatrack.cpp
index f0f8210..8b01f78 100644
--- a/matroska/matroskatrack.cpp
+++ b/matroska/matroskatrack.cpp
@@ -226,7 +226,7 @@ void MatroskaTrack::assignPropertyFromTagValue(const std::unique_ptr<MatroskaTag
     }
 }
 
-template <typename NumberType, Traits::EnableIf<std::is_integral<NumberType>>...> NumberType tagValueToNumber(const TagValue &tagValue)
+template <typename NumberType, Traits::EnableIf<std::is_integral<NumberType>>* = nullptr> NumberType tagValueToNumber(const TagValue &tagValue)
 {
     // optimization for Latin1/UTF-8 strings
     if (tagValue.type() == TagDataType::Text) {
@@ -241,7 +241,7 @@ template <typename NumberType, Traits::EnableIf<std::is_integral<NumberType>>...
     return stringToNumber<NumberType>(tagValue.toString(TagTextEncoding::Utf8));
 }
 
-template <typename NumberType, Traits::EnableIf<std::is_floating_point<NumberType>>...> NumberType tagValueToBitrate(const TagValue &tagValue)
+template <typename NumberType, Traits::EnableIf<std::is_floating_point<NumberType>>* = nullptr> NumberType tagValueToBitrate(const TagValue &tagValue)
 {
     return stringToNumber<NumberType>(tagValue.toString(TagTextEncoding::Utf8)) / 1000;
 }
diff --git a/positioninset.h b/positioninset.h
index 9b0c573..db32359 100644
--- a/positioninset.h
+++ b/positioninset.h
@@ -21,7 +21,7 @@ namespace TagParser {
 class TAG_PARSER_EXPORT PositionInSet {
 public:
     constexpr PositionInSet(int32 position = 0, int32 total = 0);
-    template <typename StringType = std::string, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>...>
+    template <typename StringType = std::string, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>* = nullptr>
     PositionInSet(const StringType &numericString);
 
     constexpr int32 position() const;
@@ -29,7 +29,7 @@ public:
     constexpr bool isNull() const;
     constexpr bool operator==(const PositionInSet &other) const;
 
-    template <typename StringType = std::string, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>...>
+    template <typename StringType = std::string, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>* = nullptr>
     StringType toString() const;
 
 private:
@@ -43,7 +43,7 @@ private:
  * \param numericString Specifies the string containing the position and possibly
  *                      the total element count (separated by "/").
  */
-template <typename StringType, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>...>
+template <typename StringType, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>*>
 PositionInSet::PositionInSet(const StringType &numericString)
     : m_position(0)
     , m_total(0)
@@ -105,7 +105,7 @@ constexpr inline bool PositionInSet::operator==(const PositionInSet &other) cons
 /*!
  * \brief Returns the string representation of the current PositionInSet.
  */
-template <typename StringType, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>...>
+template <typename StringType, Traits::EnableIfAny<Traits::IsSpecializationOf<StringType, std::basic_string>>*>
 StringType PositionInSet::toString() const
 {
     std::basic_stringstream<typename StringType::value_type> ss;