diff --git a/src/Makefile.am b/src/Makefile.am
index fcc9cfdf94..3bf57d36ce 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -96,7 +96,7 @@ EXTRA_DIST = mkhelp.pl \
  Makefile.mk curl.rc Makefile.inc CMakeLists.txt .checksrc
 
 # Use absolute directory to disable VPATH
-ASCIIPAGE=$(abs_top_builddir)/docs/cmdline-opts/curl.txt
+ASCIIPAGE=$(top_builddir)/docs/cmdline-opts/curl.txt
 MKHELP=$(top_srcdir)/src/mkhelp.pl
 HUGE=tool_hugehelp.c