diff --git a/src/fuzzers/standalone-driver.cc b/src/fuzzers/standalone-driver.cc
index 840b8d8e52..69ca7202cf 100644
--- a/src/fuzzers/standalone-driver.cc
+++ b/src/fuzzers/standalone-driver.cc
@@ -1,4 +1,5 @@
 #include <cstdio>
+#include <cerrno>
 #include <cstdint>
 #include <cstdlib>
 #include <cstring>