diff --git a/meta/site/ix86-common b/meta/site/ix86-common
index a625f8e47b..20cac75b04 100644
--- a/meta/site/ix86-common
+++ b/meta/site/ix86-common
@@ -97,6 +97,9 @@ glib_cv_rtldglobal_broken=${glib_cv_rtldglobal_broken=yes}
 glib_cv_stack_grows=${glib_cv_stack_grows=no}
 utils_cv_sys_open_max=${utils_cv_sys_open_max=1015}
 glib_cv_use_pid_surrogate=${glib_cv_use_pid_surrogate=yes}
+ac_cv_alignof_guint32=4
+ac_cv_alignof_guint64=4
+ac_cv_alignof_unsigned_long=4
 
 # guile
 ac_cv_uchar=${ac_cv_uchar=no}
diff --git a/meta/site/x86_64-linux b/meta/site/x86_64-linux
index a0a9362fb9..3acc294901 100644
--- a/meta/site/x86_64-linux
+++ b/meta/site/x86_64-linux
@@ -52,6 +52,9 @@ glib_cv_sys_pthread_getspecific_posix=${glib_cv_sys_pthread_getspecific_posix=ye
 glib_cv_sys_pthread_mutex_trylock_posix=${glib_cv_sys_pthread_mutex_trylock_posix=yes}
 glib_cv_uscore=${glib_cv_uscore=no}
 glib_cv_va_val_copy=${glib_cv_va_val_copy=no}
+ac_cv_alignof_guint32=4
+ac_cv_alignof_guint64=8
+ac_cv_alignof_unsigned_long=8
 
 nano_cv_func_regexec_segv_emptystr=${nano_cv_func_regexec_segv_emptystr=no}
 samba_cv_HAVE_VA_COPY=${samba_cv_HAVE_VA_COPY=yes}