diff --git a/Makefile b/Makefile
index e6d9458..5590787 100644
--- a/Makefile
+++ b/Makefile
@@ -6,16 +6,20 @@ ODIR=obj
 SRC=src/sort.c
 OBJ=$(SRC:.c=.o)
 
+all: sort informe
+
 sort: $(OBJ)
 	$(CC) -o $@ $^ $(LDFLAGS)
 
-clean:
-	rm -f src/*.o sort
-
 informe:
+# if pdflatex is installed create the informe
+ifneq (, $(shell which pdflatex))
 	make -C doc
+	mv doc/Informe.pdf Informe.pdf
+endif
 
-cleaninforme:
+clean:
+	rm -f src/*.o sort Informe.pdf
 	make -C doc clean
 
-.PHONY: sort clean informe cleaninforme
+.PHONY: all clean informe