diff --git a/gfx/2d/BaseRect.h b/gfx/2d/BaseRect.h
index 57d01ba09b..b1eed9ddb9 100644
--- a/gfx/2d/BaseRect.h
+++ b/gfx/2d/BaseRect.h
@@ -9,6 +9,7 @@
 #include <algorithm>
 #include <cmath>
 #include <ostream>
+#include <limits>
 
 #include "mozilla/Assertions.h"
 #include "mozilla/FloatingPoint.h"
diff --git a/netwerk/base/nsURLParsers.cpp b/netwerk/base/nsURLParsers.cpp
index b75ee0c4d4..ed4a216a88 100644
--- a/netwerk/base/nsURLParsers.cpp
+++ b/netwerk/base/nsURLParsers.cpp
@@ -4,6 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include <string.h>
+#include <limits>
 
 #include "mozilla/RangedPtr.h"