diff --git a/kafka/consumer_msg.c b/kafka/consumer_msg.c
index 3e49fce..ee87a72 100644
--- a/kafka/consumer_msg.c
+++ b/kafka/consumer_msg.c
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <string.h>
 
 #include <tarantool/module.h>
 
diff --git a/kafka/producer.c b/kafka/producer.c
index a32323e..911000d 100644
--- a/kafka/producer.c
+++ b/kafka/producer.c
@@ -1,6 +1,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <string.h>
 
 #include <librdkafka/rdkafka.h>
 #include <tarantool/module.h>