diff --git a/src/@x13/run.m b/src/@x13/run.m
index bcca5251ad9c2923b11512dfef90491635b65053..6ea342f69bdddb2664222bb7d1cb2e325ac19c24 100644
--- a/src/@x13/run.m
+++ b/src/@x13/run.m
@@ -31,9 +31,12 @@ if ~exist(x13b, 'file')
 end
 
 % Run spc file.
-[errorflag, ~] = system(sprintf('%s %s', x13b, basename));
+[errorflag, msg] = system(sprintf('%s %s', x13b, basename));
 
 if errorflag
+    skipline()
+    disp(msg)
+    skipline()
     error('X13 failed on %s.spc', basename)
 end