diff --git a/kernel/src/utils/memory.c b/kernel/src/utils/memory.c
index deb96cb..7883510 100644
--- a/kernel/src/utils/memory.c
+++ b/kernel/src/utils/memory.c
@@ -16,8 +16,8 @@ void memory_copy(void* source, void* destination, uint32_t num) {
     }
 
     uint32_t num_8 = num % 8;
-    uint8_t* src_8 = &((uint8_t*)source)[num_64 * 8];
-    uint8_t* dst_8 = &((uint8_t*)destination)[num_64 * 8];
+    uint8_t* src_8 = &((uint8_t*)source)[num - num_8];
+    uint8_t* dst_8 = &((uint8_t*)destination)[num - num_8];
 
     for (uint32_t i = 0; i < num_8; i++) {
         dst_8[i] = src_8[i];
@@ -36,7 +36,7 @@ void memory_set(void* destination, uint8_t data, uint32_t num) {
     }
 
     uint32_t num_8 = num % 8;
-    uint8_t* dst_8 = &((uint8_t*)destination)[num_64 * 8];
+    uint8_t* dst_8 = &((uint8_t*)destination)[num - num_8];
 
     for (uint32_t i = 0; i < num_8; i++) {
         dst_8[i] = data;
@@ -48,15 +48,15 @@ bool memory_compare(void* a, void* b, uint32_t num) {
     uint64_t* a_64   = (uint64_t*)a;
     uint64_t* b_64   = (uint64_t*)b;
 
-    for (uint32_t i = num_64; i < num_64; i++) {
+    for (uint32_t i = 0; i < num_64; i++) {
         if (a_64[i] != b_64[i]) {
             return false;
         }
     }
 
     uint32_t num_8 = num % 8;
-    uint8_t* a_8 = &((uint8_t*)a)[num_64 * 8];
-    uint8_t* b_8 = &((uint8_t*)b)[num_64 * 8];
+    uint8_t* a_8 = &((uint8_t*)a)[num - num_8];
+    uint8_t* b_8 = &((uint8_t*)b)[num - num_8];
 
     for (uint32_t i = 0; i < num_8; i++) {
         if (a_8[i] != b_8[i]) {