diff --git a/pkgs/development/ocaml-modules/bitstring/2.0.4.nix b/pkgs/development/ocaml-modules/bitstring/2.0.4.nix
index da4bcdcb527..beaf2fc7fd1 100644
--- a/pkgs/development/ocaml-modules/bitstring/2.0.4.nix
+++ b/pkgs/development/ocaml-modules/bitstring/2.0.4.nix
@@ -8,7 +8,7 @@ buildOcaml rec {
     sha256 = "0mapzn2ls5qcrzjm1az50lqjj76ldkmz4fbv2phc9w6smab50qy5";
   };
 
-  patches = [ ./camlp4.patch ./meta.patch ];
+  patches = [ ./camlp4.patch ./meta.patch ./srcdir.patch ];
 
   buildInputs = [time];
   doCheck = true;
diff --git a/pkgs/development/ocaml-modules/bitstring/default.nix b/pkgs/development/ocaml-modules/bitstring/default.nix
index ae01cf9d7b5..2dc1b515c03 100644
--- a/pkgs/development/ocaml-modules/bitstring/default.nix
+++ b/pkgs/development/ocaml-modules/bitstring/default.nix
@@ -9,7 +9,7 @@ buildOcaml rec {
     sha256 = "1lh97qf1b7mq64pxkphr2w91ri5hfwg58cpjb2xd8a453c9jylw4";
   };
 
-  patches = [ ./camlp4-git.patch ./meta.patch ];
+  patches = [ ./camlp4-git.patch ./meta.patch ./srcdir.patch ];
 
   buildInputs = [time autoconf automake];
   doCheck = true;
diff --git a/pkgs/development/ocaml-modules/bitstring/srcdir.patch b/pkgs/development/ocaml-modules/bitstring/srcdir.patch
new file mode 100644
index 00000000000..d53760f1d6f
--- /dev/null
+++ b/pkgs/development/ocaml-modules/bitstring/srcdir.patch
@@ -0,0 +1,11 @@
+--- a/Makefile.in	2015-09-01 06:32:15.111441188 +0200
++++ b/Makefile.in	2015-09-01 06:32:56.001084480 +0200
+@@ -125,7 +125,7 @@
+ 
+ byteswap.h: byteswap.in.h
+ 	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+-	  cat $(srcdir)/byteswap.in.h; \
++	  cat $(top_srcdir)/byteswap.in.h; \
+ 	} > $@-t
+ 	mv -f $@-t $@
+