1 files changed, 1 insertions, 1 deletions
diff --git a/XSUB.h b/XSUB.h
index af452ea5d7..0bfb9855c0 100644
--- a/XSUB.h
+++ b/XSUB.h
@@ -7,7 +7,7 @@
 #endif
 
 #define dXSARGS				\
-	dSP; dMARK;			\
+	dTHR; dSP; dMARK;		\
 	I32 ax = mark - stack_base + 1;	\
 	I32 items = sp - mark