diff --git a/Src/Core/Memory.c b/Src/Core/Memory.c
index 27b8ee5..caf20bf 100644
--- a/Src/Core/Memory.c
+++ b/Src/Core/Memory.c
@@ -465,7 +465,7 @@ bool hallocy_compare_memory(void *left_side, void *right_side, const size_t size
                 }
             }
 
-            while (end_address - destination_bytes >= SIMD_128_WIDTH) {
+            while (left_side_bytes - end_address >= SIMD_128_WIDTH) {
                 uint8x16_t simd_left_side_value = vdupq_n_u8(*left_side_bytes);
                 uint8x16_t simd_right_side_value = vdupq_n_u8(*right_side_bytes);