diff --git a/tools/MINGW-packages/mingw-w64-openexr/0007-export-TypedAttribute-value.patch b/tools/MINGW-packages/mingw-w64-openexr/0007-export-TypedAttribute-value.patch
new file mode 100644
index 000000000..f5367144f
--- /dev/null
+++ b/tools/MINGW-packages/mingw-w64-openexr/0007-export-TypedAttribute-value.patch
@@ -0,0 +1,19 @@
+--- a/src/lib/OpenEXR/ImfAttribute.h
++++ b/src/lib/OpenEXR/ImfAttribute.h
+@@ -215,14 +215,14 @@
+ }
+ 
+ template <class T>
+-inline T&
++T&
+ TypedAttribute<T>::value ()
+ {
+     return _value;
+ }
+ 
+ template <class T>
+-inline const T&
++const T&
+ TypedAttribute<T>::value () const
+ {
+     return _value;