diff --git a/aclocal.m4 b/aclocal.m4
index 98b9411..f0bcf36 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -325,7 +325,7 @@ main ()
      SANE_LIBS=""
      ifelse([$3], , :, [$3])
   fi
-  AC_SUBST(SANE_LDLAGS)
+  AC_SUBST(SANE_LDFLAGS)
   AC_SUBST(SANE_CFLAGS)
   AC_SUBST(SANE_LIBS)
   AC_SUBST(SANE_PREFIX)