diff --git a/srcpkgs/imagescan/patches/fix-iostream.patch b/srcpkgs/imagescan/patches/fix-iostream.patch
new file mode 100644
index 00000000000..b05f5f70bd6
--- /dev/null
+++ b/srcpkgs/imagescan/patches/fix-iostream.patch
@@ -0,0 +1,20 @@
+--- utsushi/string.hpp	2019-04-02 02:01:37.000000000 +0200
++++ utsushi/string.hpp	2021-01-19 00:58:03.102000070 +0100
+@@ -23,6 +23,7 @@
+ 
+ #include <iosfwd>
++#include <iostream>
+ #include <string>
+ 
+ #include <boost/operators.hpp>
+ 
+--- utsushi/toggle.hpp	2019-04-02 02:01:36.000000000 +0200
++++ utsushi/toggle.hpp	2021-01-19 01:00:34.884821885 +0100
+@@ -22,6 +22,7 @@
+ #define utsushi_toggle_hpp_
+ 
+ #include <iosfwd>
++#include <iostream>
+ #include <boost/operators.hpp>
+ 
+ namespace utsushi {