1 files changed, 1 insertions, 1 deletions
diff --git a/bytecode.h b/bytecode.h
index 67f0819644..6b8206216d 100644
--- a/bytecode.h
+++ b/bytecode.h
@@ -11,7 +11,7 @@ EXT int iv_overflows INIT(0);
 
 EXT SV *sv;
 #ifndef USE_THREADS
-EXT OP *op;
+EXT OP *PL_op;
 #endif
 EXT XPV pv;