diff --git a/proc/pids.c b/proc/pids.c
index e2ee4f04..96b948d6 100644
--- a/proc/pids.c
+++ b/proc/pids.c
@@ -54,9 +54,9 @@
 
 
 struct stacks_extent {
-    struct pids_stack **stacks;
     int ext_numstacks;
     struct stacks_extent *next;
+    struct pids_stack **stacks;
 };
 
 struct fetch_support {