diff --git a/toolkit/mozapps/installer/os2/sign.cmd b/toolkit/mozapps/installer/os2/sign.cmd
new file mode 100755
index 00000000000..f991a54abf7
--- /dev/null
+++ b/toolkit/mozapps/installer/os2/sign.cmd
@@ -0,0 +1,17 @@
+/* An adapted version of sign.cmd from NSS */
+PARSE ARG dist filename
+dist=forwardtoback(dist);
+'@echo 'dist
+'set BEGINLIBPATH='dist'\bin;%BEGINLIBPATH%'
+'set LIBPATHSTRICT=T'
+dist'\bin\shlibsign -v -i 'filename
+exit
+
+forwardtoback: procedure
+  arg pathname
+  parse var pathname pathname'/'rest
+  do while (rest <> "")
+    pathname = pathname'\'rest
+    parse var pathname pathname'/'rest
+  end
+  return pathname
diff --git a/toolkit/mozapps/installer/os2/strip.cmd b/toolkit/mozapps/installer/os2/strip.cmd
new file mode 100755
index 00000000000..6b60acefb46
--- /dev/null
+++ b/toolkit/mozapps/installer/os2/strip.cmd
@@ -0,0 +1,2 @@
+@rem compress binaries for optimum performance without disturbing chkdll32
+lxlite /ydd /yxd /d %1
diff --git a/toolkit/mozapps/installer/packager.mk b/toolkit/mozapps/installer/packager.mk
index 84cba980a3f..d0d78cc7242 100644
--- a/toolkit/mozapps/installer/packager.mk
+++ b/toolkit/mozapps/installer/packager.mk
@@ -189,8 +189,12 @@ NATIVE_ARCH	= $(shell uname -p | sed -e s/powerpc/ppc/)
 NATIVE_DIST	= $(DIST)/../../$(NATIVE_ARCH)/dist
 SIGN_CMD	= $(NATIVE_DIST)/bin/run-mozilla.sh $(NATIVE_DIST)/bin/shlibsign -v -i
 else
+ifeq ($(OS_ARCH),OS2)
+SIGN_CMD	= $(topsrcdir)/toolkit/mozapps/installer/os2/sign.cmd $(DIST)
+else
 SIGN_CMD	= $(RUN_TEST_PROGRAM) $(DIST)/bin/shlibsign -v -i
 endif
+endif
 
 SOFTOKN		= $(DIST)/$(STAGEPATH)$(MOZ_PKG_APPNAME)$(_BINPATH)/$(DLL_PREFIX)softokn3$(DLL_SUFFIX)
 FREEBL		= $(DIST)/$(STAGEPATH)$(MOZ_PKG_APPNAME)$(_BINPATH)/$(DLL_PREFIX)freebl3$(DLL_SUFFIX)
@@ -270,7 +274,7 @@ STRIP_FLAGS	= -g
 PLATFORM_EXCLUDE_LIST = ! -name "*.stub" ! -name "$(MOZ_PKG_APPNAME)-bin"
 endif
 ifeq ($(OS_ARCH),OS2)
-STRIP		= $(srcdir)/os2/strip.cmd
+STRIP		= $(topsrcdir)/toolkit/mozapps/installer/os2/strip.cmd
 STRIP_FLAGS	=
 PLATFORM_EXCLUDE_LIST = ! -name "*.ico"
 endif