diff --git a/configure.in b/configure.in
index 87c1e4cd..194e1aa5 100644
--- a/configure.in
+++ b/configure.in
@@ -26,10 +26,10 @@ export CC CXX RANLIB LD AS AR NM
 
 AC_LC_SYSDEPS
 
-if test x$ac_cv_want_guile = xyes ; then
+if test x$libgtop_want_guile = xyes ; then
   GNOME_CHECK_GUILE
   if test x$ac_cv_guile_found = xyes ; then
-    if test x$ac_cv_want_names = xyes ; then
+    if test x$libgtop_want_names = xyes ; then
       AC_DEFINE(GLIBTOP_GUILE_NAMES)
     fi
     guile_examples='third third_static third_linux'
diff --git a/sysdeps/guile/names/procmem.c b/sysdeps/guile/names/procmem.c
index 58ad25dd..4daf9967 100644
--- a/sysdeps/guile/names/procmem.c
+++ b/sysdeps/guile/names/procmem.c
@@ -52,7 +52,7 @@ glibtop_guile_types_proc_mem (void)
 	for (i = 0; i < GLIBTOP_MAX_PROC_MEM; i++)
 		list = gh_append2
 			(list, gh_list
-			 (gh_str02scm (glibtop_labels_proc_mem [i]),
+			 (gh_str02scm (glibtop_types_proc_mem [i]),
 			  SCM_UNDEFINED));
 	
 	return list;