diff --git a/makefile b/makefile
index 038841f..a27e9b1 100644
--- a/makefile
+++ b/makefile
@@ -1,5 +1,6 @@
 CC = gcc
 FLAGS = -g -Wall -lm
+ASAN_FLAGS = -fsanitize=address 
 
 ifeq ($(OS),Windows_NT)
 	include makefile_windows.variables
@@ -39,7 +40,7 @@ unitTests:
 TEST_BIN = runTests
 
 unitTests: stack.o test_stack.o
-	$(CC) $(FLAGS) -I$(unityfolder) -o $(TEST_BIN) stack.o test_stack.o $(unityfolder)/unity.c
+	$(CC) $(FLAGS) $(ASAN_FLAGS) -I$(unityfolder) -o $(TEST_BIN) stack.o test_stack.o $(unityfolder)/unity.c
 
 test_stack.o: test_stack.c
 	$(CC) $(FLAGS) -I$(unityfolder) -c test_stack.c -o test_stack.o
@@ -51,5 +52,5 @@ clean:
 ifeq ($(OS),Windows_NT)
 	rm -f *.o doble
 else
-	del /f *.o doble
+	rm -f *.o doble
 endif
\ No newline at end of file
diff --git a/stack.c b/stack.c
index ef70b49..301bfa0 100644
--- a/stack.c
+++ b/stack.c
@@ -68,16 +68,17 @@ StackNode *pop(StackNode *stack)
 void *top(StackNode *stack) { return stack != NULL ? stack->data : NULL; }
 
 // Clears stack and releases all memory.
-void clearStack(StackNode *stack)
+void clearStack(StackNode **stack)
 {
-    while (stack != NULL)
+    while (*stack != NULL)
     {
 
-        StackNode *next = stack->next;
-        free(stack);
-        stack = next;
-        stack->data = NULL;
-        stack->next = NULL;
-        stack->prev = NULL;
+        StackNode *next = (*stack)->next;
+        free(*stack);
+        (*stack)->data = NULL;
+        (*stack)->next = NULL;
+        (*stack)->prev = NULL;
+        (*stack) = next;
+
     }
 }
\ No newline at end of file
diff --git a/stack.h b/stack.h
index b1c8f86..8119b2c 100644
--- a/stack.h
+++ b/stack.h
@@ -40,6 +40,6 @@ StackNode *pop(StackNode *stack);
 void *top(StackNode *stack);
 
 // Clears stack and releases all memory.
-void clearStack(StackNode *stack);
+void clearStack(StackNode **stack);
 
 #endif
diff --git a/test_stack.c b/test_stack.c
index dd9a6ca..04322d6 100644
--- a/test_stack.c
+++ b/test_stack.c
@@ -36,7 +36,7 @@ void test_clearStack(void) {
     testStack = push(testStack, &testInts[i]);
   }
 
-  clearStack(testStack);
+  clearStack(&testStack);
   TEST_ASSERT_NULL(testStack);
 }
 
@@ -56,4 +56,4 @@ int main(void) {
   RUN_TEST(test_clearStack);
 
   return UNITY_END();
-}
\ No newline at end of file
+}