--- lib/libcryptsetup.h
+++ lib/libcryptsetup.h
@@ -1231,6 +1231,8 @@
 
 /** @} */
 
+void *aligned_malloc(void **base, int size, int alignment);
+
 #ifdef __cplusplus
 }
 #endif
--- lib/utils.c
+++ lib/utils.c
@@ -48,7 +48,7 @@
 	return alignment;
 }
 
-static void *aligned_malloc(void **base, int size, int alignment)
+       void *aligned_malloc(void **base, int size, int alignment)
 {
 #ifdef HAVE_POSIX_MEMALIGN
 	return posix_memalign(base, alignment, size) ? NULL : *base;
--- lib/tcrypt/tcrypt.c
+++ lib/tcrypt/tcrypt.c
@@ -501,7 +501,7 @@
 	unsigned int i, skipped = 0;
 	int r = -EPERM;
 
-	if (posix_memalign((void*)&key, crypt_getpagesize(), TCRYPT_HDR_KEY_LEN))
+	if (!aligned_malloc((void*)&key, TCRYPT_HDR_KEY_LEN, crypt_getpagesize()))
 		return -ENOMEM;
 
 	if (params->keyfiles_count)
--- lib/utils_benchmark.c
+++ lib/utils_benchmark.c
@@ -23,6 +23,7 @@
 #include <errno.h>
 #include <time.h>
 
+#include "libcryptsetup.h"
 #include "internal.h"
 
 /*
@@ -145,7 +146,7 @@
 	int r, repeat_enc, repeat_dec;
 	void *buf = NULL;
 
-	if (posix_memalign(&buf, crypt_getpagesize(), cp->buffer_size))
+	if (!aligned_malloc(&buf, cp->buffer_size, crypt_getpagesize()))
 		return -ENOMEM;
 
 	ms_enc = 0.0;
--- src/cryptsetup_reencrypt.c
+++ src/cryptsetup_reencrypt.c
@@ -160,7 +160,7 @@
 		goto out;
 	}
 
-	if (posix_memalign((void *)&buf, alignment(devfd), buf_size)) {
+	if (!aligned_malloc((void *)&buf, buf_size, alignment(devfd))) {
 		log_err(_("Allocation of aligned memory failed.\n"));
 		r = -ENOMEM;
 		goto out;
@@ -916,7 +916,7 @@
 	else
 		rc->device_size = rc->device_size_new_real;
 
-	if (posix_memalign((void *)&buf, alignment(fd_new), block_size)) {
+	if (!aligned_malloc((void *)&buf, block_size, alignment(fd_new))) {
 		log_err(_("Allocation of aligned memory failed.\n"));
 		r = -ENOMEM;
 		goto out;