diff --git a/src/hashtable-simple.c b/src/hashtable-simple.c
index 7c72149..ac85a41 100644
--- a/src/hashtable-simple.c
+++ b/src/hashtable-simple.c
@@ -59,7 +59,7 @@ int hashtable_set(HASHTABLE* hashtable, char* key, void * value) {
 	idx = hash_of_key(hashtable, key);
 	hashtable->size += 1;
 
-	printf("hashtable_set -- search value [%d/%d]\n", idx, hashtable->capacity);
+	printf("hashtable_set -- index [%d/%d]\n", idx, hashtable->capacity);
 	// search value
 	cell = hashtable->data[idx];
 	while(cell) {
@@ -70,6 +70,7 @@ int hashtable_set(HASHTABLE* hashtable, char* key, void * value) {
 	if (cell) {
 		// if cell exists, then change inner value
 		printf("hashtable_set -- update value\n");
+		cell->value = value;
 	} else {
 		printf("hashtable_set -- create value\n");
 		// create cell & prepend it to the chain
@@ -128,10 +129,11 @@ int main(int argc, char** argv) {
 	hashtable_set(hashtable, "alice", &x);
 	printf("h['alice'] <- %d\n", x);
 	hashtable_set(hashtable, "bob", &y);
-	printf("h['bob'] <- %d\n", x);
+	printf("h['bob'] <- %d\n", y);
 	hashtable_set(hashtable, "charlie", &z);
-	printf("h['charlie'] <- %d\n", x);
+	printf("h['charlie'] <- %d\n", z);
 	hashtable_set(hashtable, "alice", &y);
+	printf("h['alice'] <- %d\n", y);
 	value = hashtable_get(hashtable, "alice"); 
 	printf("h['alice'] ? %d\n", *value);
 	value = hashtable_get(hashtable, "bob");