diff --git a/GNUmakefile b/GNUmakefile
index 00a01362..e83ec8f7 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -51,7 +51,7 @@ ALLOCA := $(filter-out @%@,$(ALLOCA))
 
 # Tell autoconf/autoheader to use m4 files from the master source.
 ifndef AC_MACRODIR
-AC_MACRODIR = /home/gd/gnu/autoconf/autoconf
+AC_MACRODIR = /home/gd/gnu/autoconf
 endif
 ACFLAGS := -m $(AC_MACRODIR)
 configure config.h.in: $(patsubst %,$(AC_MACRODIR)/%.m4,acspecific acgeneral)