diff --git a/Makefile b/Makefile
index 803f04fcacc5119abbc0fca149b50b85618148e9..c46f4f2857d9dffae3ebbcf235249b3a9da6b70e 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ main.sagetex.sout: ${SAGESCRIPT} pymodules
 	sage $?
 
 ${SAGESCRIPT}: ${TEXFILES}
-	latexmk -interaction=nonstopmode ${MAINTEXFILE}
+	latexmk -interaction=nonstopmode ${MAINTEXFILE} || echo this shoud fail
 
 pymodules: $(addsuffix .py,${SAGEPLOTFILES})