diff --git a/docs/Makefile b/docs/Makefile
index 6b39ba6ac..4f8a90dd6 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -5,6 +5,7 @@
 # from the environment for the first two.
 SPHINXOPTS    =
 SPHINXBUILD   = sphinx-build
+SPHINXPROJ    = FunASR
 SOURCEDIR     = .
 BUILDDIR      = build