diff --git a/lib/xlat_tables_v2/aarch32/xlat_tables_arch.c b/lib/xlat_tables_v2/aarch32/xlat_tables_arch.c
index fc7ca46..7d67a4a 100644
--- a/lib/xlat_tables_v2/aarch32/xlat_tables_arch.c
+++ b/lib/xlat_tables_v2/aarch32/xlat_tables_arch.c
@@ -22,7 +22,7 @@
 unsigned long long xlat_arch_get_max_supported_pa(void)
 {
 	/* Physical address space size for long descriptor format. */
-	return (1ull << 40) - 1ull;
+	return (1ULL << 40) - 1ULL;
 }
 #endif /* ENABLE_ASSERTIONS*/