diff --git a/src/cpu/paging.cpp b/src/cpu/paging.cpp
index 73fc2cc5..65f3d4ee 100644
--- a/src/cpu/paging.cpp
+++ b/src/cpu/paging.cpp
@@ -79,7 +79,7 @@ struct PF_Entry {
 };
 
 #define PF_QUEUESIZE 16
-struct {
+static struct {
 	Bitu used;
 	PF_Entry entries[PF_QUEUESIZE];
 } pf_queue;