diff --git a/mozilla/network/main/mkconect.c b/mozilla/network/main/mkconect.c
index 774895b2da9..b4b687963b4 100644
--- a/mozilla/network/main/mkconect.c
+++ b/mozilla/network/main/mkconect.c
@@ -56,6 +56,7 @@
 #endif
 
 #include "ssl.h"
+#include "xp_error.h"
 
 #if defined(XP_OS2) /*DSR072196 - use os2sock.h*/
 #include "os2sock.h"
diff --git a/mozilla/network/protocol/http/mkhttp.c b/mozilla/network/protocol/http/mkhttp.c
index 88f307c7685..ee5c3ceab9f 100644
--- a/mozilla/network/protocol/http/mkhttp.c
+++ b/mozilla/network/protocol/http/mkhttp.c
@@ -51,6 +51,7 @@
 #include "prmem.h"
 #include "plstr.h"
 
+#include "xp_error.h"
 
 /* for XP_GetString() */
 #include "xpgetstr.h"