diff --git a/src/mjson.c b/src/mjson.c
index 55ba507..24a796d 100644
--- a/src/mjson.c
+++ b/src/mjson.c
@@ -21,6 +21,7 @@
 
 #include <float.h>
 #include <math.h>
+#include <alloca.h>
 
 #include "mjson.h"
 
diff --git a/src/mjson.h b/src/mjson.h
index d8156e0..ceebea4 100644
--- a/src/mjson.h
+++ b/src/mjson.h
@@ -217,4 +217,4 @@ extern void jsonrpc_list(struct jsonrpc_request *r);
 #ifdef __cplusplus
 }
 #endif
-#endif  // MJSON_H
+#endif  // MJSON_H
\ No newline at end of file