diff --git a/mozilla-1533969.patch b/mozilla-1533969.patch
index a92d194..d17cd29 100644
--- a/mozilla-1533969.patch
+++ b/mozilla-1533969.patch
@@ -1,6 +1,6 @@
-diff --git a/js/src/util/NativeStack.cpp b/js/src/util/NativeStack.cpp
---- a/js/src/util/NativeStack.cpp
-+++ b/js/src/util/NativeStack.cpp
+diff -up firefox-66.0/js/src/util/NativeStack.cpp.mozilla-1533969 firefox-66.0/js/src/util/NativeStack.cpp
+--- firefox-66.0/js/src/util/NativeStack.cpp.mozilla-1533969	2019-03-14 23:12:13.000000000 +0100
++++ firefox-66.0/js/src/util/NativeStack.cpp	2019-03-22 15:17:08.338328211 +0100
 @@ -25,7 +25,7 @@
  #    include <sys/syscall.h>
  #    include <sys/types.h>
@@ -10,16 +10,10 @@ diff --git a/js/src/util/NativeStack.cpp b/js/src/util/NativeStack.cpp
  #  endif
  #else
  #  error "Unsupported platform"
-diff --git a/tools/profiler/core/platform.h b/tools/profiler/core/platform.h
---- a/tools/profiler/core/platform.h
-+++ b/tools/profiler/core/platform.h
-@@ -39,16 +39,16 @@
- #include <functional>
- #include <stdint.h>
- 
--// We need a definition of gettid(), but glibc doesn't provide a
-+// We need a definition of gettid(), but old glibc versions don't provide a
- // wrapper for it.
+diff -up firefox-66.0/tools/profiler/core/platform.h.mozilla-1533969 firefox-66.0/tools/profiler/core/platform.h
+--- firefox-66.0/tools/profiler/core/platform.h.mozilla-1533969	2019-03-22 15:17:08.338328211 +0100
++++ firefox-66.0/tools/profiler/core/platform.h	2019-03-22 15:19:00.046748130 +0100
+@@ -47,11 +47,11 @@
  #if defined(__GLIBC__)
  #  include <unistd.h>
  #  include <sys/syscall.h>
@@ -33,4 +27,3 @@ diff --git a/tools/profiler/core/platform.h b/tools/profiler/core/platform.h
  #elif defined(GP_OS_android)
  #  include <unistd.h>
  #elif defined(GP_OS_windows)
-