diff --git a/include/sdbus-c++/VTableItems.h b/include/sdbus-c++/VTableItems.h
index ae57a00a..28967eec 100644
--- a/include/sdbus-c++/VTableItems.h
+++ b/include/sdbus-c++/VTableItems.h
@@ -30,6 +30,7 @@
 #include <sdbus-c++/Types.h>
 #include <sdbus-c++/TypeTraits.h>
 
+#include <concepts>
 #include <string>
 #include <variant>
 #include <vector>
@@ -40,9 +41,9 @@ namespace sdbus {
     {
         template <typename Function> MethodVTableItem& implementedAs(Function&& callback);
         MethodVTableItem& withInputParamNames(std::vector<std::string> names);
-        template <typename... String> MethodVTableItem& withInputParamNames(String... names);
+        template <std::convertible_to<std::string>... String> MethodVTableItem& withInputParamNames(String... names);
         MethodVTableItem& withOutputParamNames(std::vector<std::string> names);
-        template <typename... String> MethodVTableItem& withOutputParamNames(String... names);
+        template <std::convertible_to<std::string>... String> MethodVTableItem& withOutputParamNames(String... names);
         MethodVTableItem& markAsDeprecated();
         MethodVTableItem& markAsPrivileged();
         MethodVTableItem& withNoReply();
@@ -63,7 +64,9 @@ namespace sdbus {
     {
         template <typename... Args> SignalVTableItem& withParameters();
         template <typename... Args> SignalVTableItem& withParameters(std::vector<std::string> names);
-        template <typename... Args, typename... String> SignalVTableItem& withParameters(String... names);
+        template <typename... Args, std::convertible_to<std::string>... String>
+        requires(sizeof...(Args) == sizeof...(String))
+        SignalVTableItem& withParameters(String... names);
         SignalVTableItem& markAsDeprecated();
 
         SignalName name;
diff --git a/include/sdbus-c++/VTableItems.inl b/include/sdbus-c++/VTableItems.inl
index ee4e4e32..4445ef6a 100644
--- a/include/sdbus-c++/VTableItems.inl
+++ b/include/sdbus-c++/VTableItems.inl
@@ -29,6 +29,7 @@
 #include <sdbus-c++/Error.h>
 #include <sdbus-c++/TypeTraits.h>
 
+#include <concepts>
 #include <string>
 #include <type_traits>
 #include <vector>
@@ -81,7 +82,7 @@ namespace sdbus {
         return *this;
     }
 
-    template <typename... String>
+    template <std::convertible_to<std::string>... String>
     inline MethodVTableItem& MethodVTableItem::withInputParamNames(String... names)
     {
         static_assert(std::conjunction_v<std::is_convertible<String, std::string>...>, "Parameter names must be (convertible to) strings");
@@ -96,7 +97,7 @@ namespace sdbus {
         return *this;
     }
 
-    template <typename... String>
+    template <std::convertible_to<std::string>... String>
     inline MethodVTableItem& MethodVTableItem::withOutputParamNames(String... names)
     {
         static_assert(std::conjunction_v<std::is_convertible<String, std::string>...>, "Parameter names must be (convertible to) strings");
@@ -155,12 +156,10 @@ namespace sdbus {
         return withParameters<Args...>();
     }
 
-    template <typename... Args, typename... String>
+    template <typename... Args, std::convertible_to<std::string>... String>
+    requires(sizeof...(Args) == sizeof...(String))
     inline SignalVTableItem& SignalVTableItem::withParameters(String... names)
     {
-        static_assert(std::conjunction_v<std::is_convertible<String, std::string>...>, "Parameter names must be (convertible to) strings");
-        static_assert(sizeof...(Args) == sizeof...(String), "Numbers of signal parameters and their names don't match");
-
         return withParameters<Args...>({names...});
     }