diff --git a/tools/kcovtrace/kcovtrace.c b/tools/kcovtrace/kcovtrace.c
index 2d6188c2..512bcaa0 100644
--- a/tools/kcovtrace/kcovtrace.c
+++ b/tools/kcovtrace/kcovtrace.c
@@ -15,6 +15,7 @@
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/wait.h>
 #include <unistd.h>
 
 #define KCOV_INIT_TRACE _IOR('c', 1, unsigned long)