diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c
index bb7954473c..5865b1b9ef 100644
--- a/payloads/libpayload/arch/arm64/mmu.c
+++ b/payloads/libpayload/arch/arm64/mmu.c
@@ -575,8 +575,6 @@ static struct mmu_memrange *_mmu_add_fb_range(
 
 	prop.type = TYPE_DMA_MEM;
 
-	/* make sure to allocate a size of multiple of GRANULE_SIZE */
-	size = ALIGN_UP(size, GRANULE_SIZE);
 	prop.size = size;
 	prop.lim_excl = MIN_64_BIT_ADDR;
 	prop.align = MB_SIZE;
@@ -634,6 +632,9 @@ static void mmu_add_fb_range(struct mmu_ranges *mmu_ranges)
 	if (!fb_size)
 		return;
 
+	/* make sure to allocate a size of multiple of GRANULE_SIZE */
+	fb_size = ALIGN_UP(fb_size, GRANULE_SIZE);
+
 	/* framebuffer address has been set already, so just add it as DMA */
 	if (framebuffer->physical_address) {
 		if (mmu_add_memrange(mmu_ranges,