diff --git a/pkgs/tools/backup/ugarit/posix-extras-add-sysmacros-include.patch b/pkgs/tools/backup/ugarit/posix-extras-add-sysmacros-include.patch
index bd374b679d84..7a1ec8429049 100644
--- a/pkgs/tools/backup/ugarit/posix-extras-add-sysmacros-include.patch
+++ b/pkgs/tools/backup/ugarit/posix-extras-add-sysmacros-include.patch
@@ -1,10 +1,12 @@
 --- a/posix-extras.scm	1970-01-01 01:00:01.000000000 +0100
 +++ b/posix-extras.scm	1970-01-01 01:00:01.000000000 +0100
-@@ -110,6 +110,7 @@ static void *C_not_implemented_ptr(void)
+@@ -110,6 +110,9 @@ static void *C_not_implemented_ptr(void)
  #endif
- 
- #if defined (__unix__) || defined (C_XXXBSD)
+
++#if defined (__unix__) 
 +#include <sys/sysmacros.h>
++#endif
+ #if defined (__unix__) || defined (C_XXXBSD)
  #include <sys/types.h>
  #define C_mknod(fn, m, d) C_fix(mknod(C_data_pointer(fn), C_unfix(m), C_unfix(d)))
  #define C_mknod64(fn, m, maj, min) C_fix(mknod(C_data_pointer(fn), C_unfix(m), makedev(C_num_to_int(maj), C_num_to_int(min))))