diff --git a/unsloth/models/loader.py b/unsloth/models/loader.py
index 1176f58e41..c974a4640b 100644
--- a/unsloth/models/loader.py
+++ b/unsloth/models/loader.py
@@ -562,7 +562,9 @@ class FastModel(FastBaseModel):
         # Sesame
         elif "csm-1b" in lowered_model_name:
             os.environ["UNSLOTH_DISABLE_STATIC_GENERATION"] = "1" # Sesame fails
-            os.environ["UNSLOTH_FORCE_CUSTOM_DTYPE"] = "all;torch.float32;torch.float16;if name.endswith(('_proj', 'fc1', 'fc2', 'codebook', 'head')): module.to(torch.float16)"
+            os.environ["UNSLOTH_FORCE_CUSTOM_DTYPE"] = \
+                "all;torch.float32;torch.float16;"\
+                "if name.endswith(('_proj', 'fc1', 'fc2', 'codebook', 'head')): module.to(torch.float16);"
         # Granite 4
         elif 'granite-4' in lowered_model_name:
             # granite-4 rms norms are stored as 16 bit, but we upcast
@@ -574,7 +576,11 @@ class FastModel(FastBaseModel):
         # Gemma 3N
         elif "gemma-3n" in lowered_model_name:
             os.environ["UNSLOTH_DISABLE_STATIC_GENERATION"] = "1"
-            os.environ["UNSLOTH_FORCE_CUSTOM_DTYPE"] = "float16;torch.float16;torch.float16;if name.endswith(('.conv')): module.to(torch.float32)"
+            os.environ["UNSLOTH_FORCE_CUSTOM_DTYPE"] = \
+                "float16;torch.float16;torch.float16;"\
+                "if name.endswith(('.conv')): module.to(torch.float32);"\
+                "from unsloth_zoo.temporary_patches.gemma3n import patch_Gemma3nConvNormAct_forward; patch_Gemma3nConvNormAct_forward()"
+            
             if transformers_version < Version("4.53.0"):
                 raise RuntimeError("Unsloth: Gemma 3N only works on transformers >= 4.53.0" + LATEST)
         else:
diff --git a/unsloth/models/vision.py b/unsloth/models/vision.py
index a8acdcea29..bff27a6d16 100644
--- a/unsloth/models/vision.py
+++ b/unsloth/models/vision.py
@@ -350,8 +350,8 @@ class FastBaseModel:
         correct_dtype = None
         if os.environ.get("UNSLOTH_FORCE_CUSTOM_DTYPE", "") != "":
             custom_datatype = os.environ["UNSLOTH_FORCE_CUSTOM_DTYPE"]
-            assert custom_datatype.count(";") == 3
-            checker, _dtype, _bnb_compute_dtype, _custom_datatype = custom_datatype.split(";", 3)
+            assert custom_datatype.count(";") >= 4
+            checker, _dtype, _bnb_compute_dtype, _custom_datatype, execute_code = custom_datatype.split(";", 4)
 
             # Allow custom dtypes on all runs
             allow_all_runs = (checker == "all")
@@ -363,6 +363,9 @@ class FastBaseModel:
                 bnb_compute_dtype = eval(_bnb_compute_dtype)
                 correct_dtype = bnb_compute_dtype
                 custom_datatype = _custom_datatype
+                # Execute code as well
+                print(execute_code)
+                exec(execute_code)
             pass
         pass