diff --git a/README.md b/README.md
index 07885a925d..e04b6a3985 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ This guide installs stable versions of the required external (go-ethereum) `evm`
    cd execution-spec-tests
    python3 -m venv ./venv/
    source ./venv/bin/activate
-   pip install -e '.[docs,lint,test]'
+   pip install -e .[docs,lint,test]
    ```
 
 3. Verify the installation:
diff --git a/src/evm_transition_tool/geth.py b/src/evm_transition_tool/geth.py
index b4e8ef5ad7..87a805b0e4 100644
--- a/src/evm_transition_tool/geth.py
+++ b/src/evm_transition_tool/geth.py
@@ -21,7 +21,7 @@ class GethTransitionTool(TransitionTool):
     """
 
     default_binary = Path("evm")
-    detect_binary_pattern = compile(r"^evm version\b")
+    detect_binary_pattern = compile(r"^evm(.exe)? version\b")
     t8n_subcommand: Optional[str] = "t8n"
     statetest_subcommand: Optional[str] = "statetest"
     blocktest_subcommand: Optional[str] = "blocktest"