diff --git a/src/iosource/af_packet/src/RX_Ring.h b/src/iosource/af_packet/src/RX_Ring.h
index 91cb3f1d14..893d086d81 100644
--- a/src/iosource/af_packet/src/RX_Ring.h
+++ b/src/iosource/af_packet/src/RX_Ring.h
@@ -8,6 +8,7 @@ extern "C" {
 }
 #include <stdint.h>
 #include <stdexcept>
+#include <string>
 
 #define TPACKET_VERSION TPACKET_V3