--- a/pgld/src/blocklist.h
+++ b/pgld/src/blocklist.h
@@ -74,6 +74,6 @@
 void blocklist_stats(int clearhits);
 block_entry_t * blocklist_find(uint32_t ip);
 void blocklist_dump();
-blocklist_t blocklist;
+extern blocklist_t blocklist;
 
 #endif /* INC_BLOCKLIST_H */
--- a/pgld/src/blocklist.c
+++ b/pgld/src/blocklist.c
@@ -22,6 +22,8 @@
 #include "blocklist.h"
 #include "pgld.h"
 
+blocklist_t blocklist;
+
 void blocklist_init() {
     blocklist.entries = NULL;
     blocklist.count = 0;