diff --git a/srcpkgs/libixion/patches/nullptr_t.patch b/srcpkgs/libixion/patches/nullptr_t.patch
new file mode 100644
index 00000000000..ba0a88dd726
--- /dev/null
+++ b/srcpkgs/libixion/patches/nullptr_t.patch
@@ -0,0 +1,11 @@
+--- include/ixion/model_context.hpp	2019-08-09 19:53:33.659413255 +0200
++++ include/ixion/model_context.hpp	2019-08-09 19:54:16.188415450 +0200
+@@ -62,7 +62,7 @@
+         } value;
+ 
+         /** Initializes the cell to be empty. */
+-        input_cell(nullptr_t);
++        input_cell(std::nullptr_t);
+         /** Boolean cell value. */
+         input_cell(bool b);
+         /** The char array must be null-terminated. */