diff --git a/configure.ac b/configure.ac
index c6764db7..d4dfd434 100755
--- a/configure.ac
+++ b/configure.ac
@@ -217,7 +217,7 @@ AC_CHECK_FUNCS([memset select setresuid setreuid strerror get_current_dir_name g
 AC_CHECK_LIB(socket, connect)
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS([malloc memset socket])
+AC_CHECK_FUNCS([malloc memset posix_memalign socket])
 
 dnl Add define for libudns to enable IPv6 support
 dnl This is an option defined in the origin configure script
diff --git a/src/utils.c b/src/utils.c
index ec2d506a..5ebd3672 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -234,7 +234,11 @@ ss_align(size_t size)
 {
     int err;
     void *tmp;
+#ifdef HAVE_POSIX_MEMALIGN
     err = posix_memalign(&tmp, sizeof(void *), size);
+#else
+    err = -1;
+#endif
     if (err) {
         return ss_malloc(size);
     } else {