diff --git a/modules/network.c b/modules/network.c
index 6e5b7a6..a1f61a6 100644
--- a/modules/network.c
+++ b/modules/network.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <assert.h>
 #include <unistd.h>
@@ -122,7 +123,7 @@ content(struct module *mod)
 static uint32_t
 nl_pid_value(void)
 {
-    return thrd_current() ^ getpid();
+    return (pid_t)(uintptr_t)thrd_current() ^ getpid();
 }
 
 /* Connect and bind to netlink socket. Returns socket fd, or -1 on error */