diff --git a/configure.ac b/configure.ac
index 2ab633648..5804d8020 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1651,8 +1651,7 @@ FAM_LIBS=
 if test "x$should_disable_fam" = "xno"; then
 AC_CHECK_LIB(fam, FAMOpen,
   [AC_CHECK_HEADERS(fam.h,
-    [AC_DEFINE(HAVE_FAM, [], [Define if we have FAM])
-     AC_CHECK_LIB(fam, FAMNoExists,
+    [AC_CHECK_LIB(fam, FAMNoExists,
      		  AC_DEFINE(HAVE_FAM_NO_EXISTS, [], [Define if we have FAMNoExists in fam]))
      FAM_LIBS="-lfam"]
      fam_support=yes,