diff --git a/simc.f b/simc.f
index 9956cce4..c8b340f3 100644
--- a/simc.f
+++ b/simc.f
@@ -1578,7 +1578,7 @@ subroutine montecarlo(orig,main,recon,success)
 	endif
 
 	main%SP%e%yptar = orig%e%yptar + dangles(1) + dang_in(1)
-	main%SP%e%xptar = orig%e%xptar + dangles(2) + dang_in(2)*spec%p%cos_th
+	main%SP%e%xptar = orig%e%xptar + dangles(2) + dang_in(2)*spec%e%cos_th
 
 ! CASE 1: Using the spectrometer Monte Carlo