diff --git a/mail/installer/package-manifest.in b/mail/installer/package-manifest.in
index f2a6d6c366..dd20c00fae 100644
--- a/mail/installer/package-manifest.in
+++ b/mail/installer/package-manifest.in
@@ -71,6 +71,9 @@
 #else
 @BINPATH@/@DLL_PREFIX@xul@DLL_SUFFIX@
 #endif
+#ifdef XP_WIN
+@BINPATH@/components/@DLL_PREFIX@uconvd@DLL_SUFFIX@
+#endif
 #ifdef XP_MACOSX
 @BINPATH@/@MOZ_CHILD_PROCESS_NAME@.app/
 @BINPATH@/@DLL_PREFIX@plugin_child_interpose@DLL_SUFFIX@
diff --git a/suite/installer/package-manifest.in b/suite/installer/package-manifest.in
index b5b33b68e4..49b528ce41 100644
--- a/suite/installer/package-manifest.in
+++ b/suite/installer/package-manifest.in
@@ -57,6 +57,9 @@
 #else
 @BINPATH@/@DLL_PREFIX@xul@DLL_SUFFIX@
 #endif
+#ifdef XP_WIN
+@BINPATH@/components/@DLL_PREFIX@uconvd@DLL_SUFFIX@
+#endif
 #ifdef XP_MACOSX
 @BINPATH@/@MOZ_CHILD_PROCESS_NAME@.app/
 @BINPATH@/@DLL_PREFIX@plugin_child_interpose@DLL_SUFFIX@