diff --git a/README.md b/README.md
index d4bbc52..7335c25 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,4 @@ sudo apt install gcc-9-mips-linux-gnu binutils-multiarch
 
 ## Known issues
 
-### Memcpy
-
-1. memcpy is not working for copylen=1
+Currently none!
diff --git a/tests/test_memcpy.py b/tests/test_memcpy.py
index 5398f1f..66d398d 100644
--- a/tests/test_memcpy.py
+++ b/tests/test_memcpy.py
@@ -67,6 +67,8 @@ def memcpy_get_shellcode(temp_dir_path, compiler_arch, memcpy_helper, copy_len):
     100,
     200,
     0x1000,
+    0,
+    1,
     2,
     3,
     100
diff --git a/tests/test_memset.py b/tests/test_memset.py
index def5781..94357bd 100644
--- a/tests/test_memset.py
+++ b/tests/test_memset.py
@@ -60,7 +60,7 @@ def memset_get_shellcode(temp_dir_path, compiler_arch, memset_helper, copy_bytes
                 copy_bytes
             ),
         ],
-        0x1000 * len(copy_bytes),
+        0x1000,
         base_address=helper.shellcode_address
     )
 
@@ -73,6 +73,8 @@ def memset_get_shellcode(temp_dir_path, compiler_arch, memset_helper, copy_bytes
 @pytest.mark.parametrize('copy_len', [
     100,
     200,
+    0,
+    1,
     2,
     3,
     8,