diff --git a/website-build/configure.ac b/website-build/configure.ac
index 3036ee5..43d3300 100644
--- a/website-build/configure.ac
+++ b/website-build/configure.ac
@@ -68,8 +68,13 @@ AC_ARG_WITH([untitled-path],
 AM_CONDITIONAL( [WANT_UNTITLED_PATH], [test x"$UNTITLED_PATH" != x""])
 
 # Check dependencies
-AC_CHECK_PROG([REALPATH], [realpath], [realpath])
-AC_CHECK_PROG([TAR], [tar], [tar])
+AC_CHECK_PROG([FOUND_REALPATH], [realpath], [realpath])
+AS_IF([test x"$FOUND_REALPATH" = x""],
+      [AC_MSG_ERROR([realpath was not found in PATH ($PATH)])])
+
+AC_CHECK_PROG([FOUND_TAR], [tar], [tar])
+AS_IF([test x"$FOUND_TAR" = x""],
+      [AC_MSG_ERROR([tar was not found in PATH ($PATH)])])
 
 AS_IF([test x"$guix" = x"yes"],
       [AC_CHECK_PROG([FOUND_GUIX], [guix], [guix])
@@ -147,11 +152,6 @@ AS_IF([test x"$guix" = x"yes"],
              [AC_MSG_ERROR(
               [rm was not found in PATH ($PATH)])])
 
-       AC_CHECK_PROG([FOUND_SED], [sed], [sed])
-       AS_IF([test x"$FOUND_SED" = x""],
-             [AC_MSG_ERROR(
-              [sed was not found in PATH ($PATH)])])
-
        AC_CHECK_PROG([FOUND_TAIL], [tail], [tail])
        AS_IF([test x"$FOUND_TAIL" = x""],
              [AC_MSG_ERROR(