diff --git a/mail/installer/package-manifest.in b/mail/installer/package-manifest.in
index 5383747e17..c6b189e081 100644
--- a/mail/installer/package-manifest.in
+++ b/mail/installer/package-manifest.in
@@ -692,6 +692,10 @@
 ; For process sandboxing
 #if defined(XP_WIN)
 @BINPATH@/@DLL_PREFIX@sandboxbroker@DLL_SUFFIX@
+#elif defined(XP_LINUX)
+#if defined(MOZ_CONTENT_SANDBOX) || defined(MOZ_GMP_SANDBOX)
+@BINPATH@/@DLL_PREFIX@mozsandbox@DLL_SUFFIX@
+#endif
 #endif
 
 ; for Solaris SPARC