diff --git a/src/core/ext/transport/chttp2/transport/flow_control.c b/src/core/ext/transport/chttp2/transport/flow_control.c
index 39aa521..0f078e7 100644
--- a/src/core/ext/transport/chttp2/transport/flow_control.c
+++ b/src/core/ext/transport/chttp2/transport/flow_control.c
@@ -18,6 +18,7 @@
 
 #include "src/core/ext/transport/chttp2/transport/internal.h"
 
+#include <limits.h>
 #include <math.h>
 #include <string.h>