diff --git a/srcpkgs/python3-xcffib/patches/fix-build.patch b/srcpkgs/python3-xcffib/patches/fix-build.patch
new file mode 100644
index 00000000000..c150eb91329
--- /dev/null
+++ b/srcpkgs/python3-xcffib/patches/fix-build.patch
@@ -0,0 +1,30 @@
+These changes are cargo-culted from
+
+  https://github.com/tych0/xcffib/commit/7e2650fd21b157402cd26bff129a81a0b5ddc60c
+
+--- a/generator/Data/XCB/Python/Parse.hs
++++ b/generator/Data/XCB/Python/Parse.hs
+@@ -309,12 +309,12 @@
+                -> BitCase
+                -> (Expr (), [GenStructElem Type])
+       mkSwitch cmp (BitCase Nothing bcCmp _ elems) =
+-        let cmpVal = xExpressionToPyExpr id bcCmp
++        let cmpVal = xExpressionToPyExpr id (head bcCmp)
+             equality = BinaryOp (P.BinaryAnd ()) cmp cmpVal ()
+         in (equality, elems)
+ 
+       mkSwitch cmp (BitCase (Just _) bcCmp _ elems) =
+-        let cmpVal = xExpressionToPyExpr id bcCmp
++        let cmpVal = xExpressionToPyExpr id (head bcCmp)
+             equality = BinaryOp (P.Equality ()) cmp cmpVal ()
+         in (equality, elems)
+ 
+@@ -373,7 +373,7 @@
+                -> BitCase
+                -> (Expr (), [GenStructElem Type])
+       mkSwitch cmp (BitCase _ bcCmp _ elems') =
+-        let cmpVal = xExpressionToPyExpr accessor bcCmp
++        let cmpVal = xExpressionToPyExpr accessor (head bcCmp)
+             equality = BinaryOp (P.BinaryAnd ()) cmp cmpVal ()
+         in (equality, elems')
+ structElemToPyPack ext m accessor (SField n typ _ _) =
diff --git a/srcpkgs/python3-xcffib/template b/srcpkgs/python3-xcffib/template
index cb66bb641a8..47d8c8c5df2 100644
--- a/srcpkgs/python3-xcffib/template
+++ b/srcpkgs/python3-xcffib/template
@@ -1,7 +1,7 @@
 # Template file for 'python3-xcffib'
 pkgname=python3-xcffib
 version=1.5.0
-revision=2
+revision=3
 build_style=python3-pep517
 hostmakedepends="python3-setuptools pkg-config cabal-install parallel xcb-proto python3-cffi python3-wheel"
 makedepends="python3-devel libffi-devel libxcb-devel python3-six"