diff --git a/Makefile b/Makefile
index 4fc0260..463b410 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ $(PDFDIR):
 	mkdir -p $(PDFDIR)
 
 $(GITINFO): FORCE
-	echo "\\newcommand{\\revision}{$(REVISIONINFO)}" > $(GITINFO)
+	/bin/echo "\\newcommand{\\revision}{$(REVISIONINFO)}" > $(GITINFO)
 
 clean:
 	rm -rf $(OUTDIR)