diff --git a/include/tlibc/collections/Array.h b/include/tlibc/collections/Array.h
index 1421ca0..066cbaf 100755
--- a/include/tlibc/collections/Array.h
+++ b/include/tlibc/collections/Array.h
@@ -14,9 +14,12 @@ typedef struct Array_ {
 #define Array_construct(DATA, T, COUNT) Array_construct_size(DATA, (COUNT) * sizeof(T))
 #define Array_construct_size(DATA, LEN) ((Array_){ .data = (DATA), .size = (LEN) })
 
-#define Array_alloc(T, COUNT) Array_alloc_size((COUNT) * sizeof(T))
+#define Array_null Array_construct_size(NULL, 0)
 
+#define Array_alloc(T, COUNT) Array_alloc_size((COUNT) * sizeof(T))
 static inline Array_ Array_alloc_size(u32 size){
+    if(size == 0)
+        return Array_null;
     return Array_construct_size(size > 0 ? malloc(size) : NULL, size);
 }
 
diff --git a/include/tlibc/collections/List.h b/include/tlibc/collections/List.h
index b7cd942..6f26e3d 100755
--- a/include/tlibc/collections/List.h
+++ b/include/tlibc/collections/List.h
@@ -15,6 +15,7 @@ typedef struct List_ {
 static inline List_ List_construct_size(void* data_ptr, u32 occupied_size, u32 allocated_size) {
     return (List_){ .data = data_ptr, .size = occupied_size, .allocated_size = allocated_size };
 }
+#define List_null List_construct_size(NULL, 0, 0)
 
 #define List_alloc(T, INITIAL_COUNT) List_alloc_size((INITIAL_COUNT) * sizeof(T))
 List_ List_alloc_size(u32 initial_size);
diff --git a/include/tlibc/errors.h b/include/tlibc/errors.h
index 44685e8..59709a2 100755
--- a/include/tlibc/errors.h
+++ b/include/tlibc/errors.h
@@ -122,7 +122,7 @@ typedef struct Result_ {
 #define try_stderrcode(CALL) do {\
     int r = CALL;\
     if(r != 0){\
-        Return RESULT_ERROR(strerror(r), false);\
+        Return RESULT_ERROR_CODE(LIBC_ERRNO, r, strerror(r), false);\
     }\
 } while(0)
 
diff --git a/src/collections/List.c b/src/collections/List.c
index 5e9640c..d2fa4f2 100755
--- a/src/collections/List.c
+++ b/src/collections/List.c
@@ -2,7 +2,7 @@
 
 List_ List_alloc_size(u32 initial_size){
     if(initial_size == 0)
-        return List_construct_size(NULL, 0, 0);
+        return List_null;
     u32 allocated_size = ALIGN_TO(initial_size, sizeof(void*));
     return List_construct_size(malloc(allocated_size), 0, allocated_size);
 }