diff --git a/lib/dialects/linux/dproc.c b/lib/dialects/linux/dproc.c
index 7757d042..c6488a15 100644
--- a/lib/dialects/linux/dproc.c
+++ b/lib/dialects/linux/dproc.c
@@ -94,7 +94,7 @@ struct l_fdinfo {
 
 #define EPOLL_MAX_TFDS 32
     int tfds[EPOLL_MAX_TFDS];
-    size_t tfd_count;
+    int tfd_count;
 };
 
 /*