diff --git a/pkgs/tools/text/hyx/default.nix b/pkgs/tools/text/hyx/default.nix
index 2d8d41bd942..85085f6627e 100644
--- a/pkgs/tools/text/hyx/default.nix
+++ b/pkgs/tools/text/hyx/default.nix
@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "0gd8fbdyw12jwffa5dgcql4ry22xbdhqdds1qwzk1rkcrkgnc1mg";
   };
 
+  patches = [ ./no-wall-by-default.patch ];
+
   installPhase = ''
     install -vD hyx $out/bin/hyx
   '';
diff --git a/pkgs/tools/text/hyx/no-wall-by-default.patch b/pkgs/tools/text/hyx/no-wall-by-default.patch
new file mode 100644
index 00000000000..48ee20eff17
--- /dev/null
+++ b/pkgs/tools/text/hyx/no-wall-by-default.patch
@@ -0,0 +1,11 @@
+--- hyx-0.1.5.org/Makefile	2018-06-02 17:14:37.000000000 +0100
++++ hyx-0.1.5/Makefile	2018-11-10 09:25:49.569961762 +0000
+@@ -1,7 +1,7 @@
+ 
+ all: CFLAGS ?= -O2 -Wl,-s \
+                -Wl,-z,relro,-z,now -fpic -pie -D_FORTIFY_SOURCE=2 -fstack-protector-all
+-all: CFLAGS += -std=c99 -pedantic -Wall -Wextra -DNDEBUG
++all: CFLAGS += -std=c99 -DNDEBUG
+ all: hyx
+ 
+ debug: CFLAGS ?= -O0 -g \