diff --git a/Include/Fledasty/Core/Queue.h b/Include/Fledasty/Core/Queue.h
index 8b168fc..a874f91 100644
--- a/Include/Fledasty/Core/Queue.h
+++ b/Include/Fledasty/Core/Queue.h
@@ -42,6 +42,6 @@ FledastyError fledasty_queue_push(FledastyQueue *current_queue, void *value);
 void *fledasty_queue_peek(FledastyQueue *current_queue);
 void *fledasty_queue_pop(FledastyQueue *current_queue);
 
-static inline size_t fledasty_queue_is_empty(FledastyQueue *current_queue) { return current_queue->size == 0; }
+static inline size_t fledasty_queue_is_empty(const FledastyQueue *current_queue) { return current_queue->size == 0; }
 
 #endif
\ No newline at end of file
diff --git a/Include/Fledasty/Core/Stack.h b/Include/Fledasty/Core/Stack.h
index 78805bf..c3977a6 100644
--- a/Include/Fledasty/Core/Stack.h
+++ b/Include/Fledasty/Core/Stack.h
@@ -37,4 +37,6 @@ typedef struct {
 FledastyError fledasty_stack_initialize(FledastyStack *new_stack, const size_t element_byte_size);
 FledastyError fledasty_stack_destroy(FledastyStack *current_stack);
 
+static inline size_t fledasty_stack_is_empty(const FledastyStack *current_stack) { return current_stack->size == 0; }
+
 #endif
\ No newline at end of file
diff --git a/Tests/Main.c b/Tests/Main.c
index 33ab88a..7a53313 100644
--- a/Tests/Main.c
+++ b/Tests/Main.c
@@ -48,6 +48,10 @@ int main() {
     FledastyStack test_stack;
     fledasty_stack_initialize(&test_stack, sizeof(int));
 
+    if (fledasty_stack_is_empty(&test_stack)) {
+        printf("Stack is empty\n");
+    }
+
     fledasty_stack_destroy(&test_stack);
 
     printf("Done\n");