diff --git a/src/core/support/env_linux.c b/src/core/support/env_linux.c
index 365f9673be27c8416705f8ddefe79b1b420f51b0..5863ad5682f484dbbc6e3b3945afac5a90c1e148 100644
--- a/src/core/support/env_linux.c
+++ b/src/core/support/env_linux.c
@@ -45,6 +45,7 @@
 #include <dlfcn.h>
 #include <features.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>