diff --git a/include/sdbusplus/exception.hpp b/include/sdbusplus/exception.hpp
index 7099c79..90e735e 100644
--- a/include/sdbusplus/exception.hpp
+++ b/include/sdbusplus/exception.hpp
@@ -79,6 +79,7 @@
     const char* name() const noexcept override;
     const char* description() const noexcept override;
     const char* what() const noexcept override;
+    int get_errno() const noexcept override;
 };
 
 /** Exception for when unpackProperties cannot find given property in provided
@@ -103,6 +104,7 @@
     const char* name() const noexcept override;
     const char* description() const noexcept override;
     const char* what() const noexcept override;
+    int get_errno() const noexcept override;
 
     const std::string propertyName;
     const std::string reason;
diff --git a/src/exception.cpp b/src/exception.cpp
index 641659e..640454a 100644
--- a/src/exception.cpp
+++ b/src/exception.cpp
@@ -131,6 +131,11 @@
     return errWhat;
 }
 
+int InvalidEnumString::get_errno() const noexcept
+{
+    return EINVAL;
+}
+
 UnpackPropertyError::UnpackPropertyError(std::string_view propertyName,
                                          std::string_view reason) :
     propertyName(propertyName),
@@ -152,6 +157,11 @@
     return errWhat;
 }
 
+int UnpackPropertyError::get_errno() const noexcept
+{
+    return EINVAL;
+}
+
 } // namespace exception
 } // namespace sdbusplus