diff --git a/docs/CONTRIBUTORS b/docs/CONTRIBUTORS
index cf256fc45..430fe2d51 100644
--- a/docs/CONTRIBUTORS
+++ b/docs/CONTRIBUTORS
@@ -51,5 +51,6 @@ Todd Strader
 Veripool API Bot
 Wilson Snyder
 Yossi Nivin
+Yuri Victorovich
 Yutetsu TAKATSUKASA
 Yves Mathieu
diff --git a/src/V3Os.cpp b/src/V3Os.cpp
index b4d1aea03..71787a8dc 100644
--- a/src/V3Os.cpp
+++ b/src/V3Os.cpp
@@ -54,6 +54,7 @@
 # include <thread>
 #else
 # include <sys/time.h>
+# include <sys/wait.h>
 # include <unistd.h>  // usleep
 #endif
 // clang-format on