diff --git a/.gitignore b/.gitignore
index 7a5bee5..5718d26 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,11 @@
+# Bitbucket token
 .repository-token
 
-**/__pycache__/
-build/
-**/*.egg-info/
+# Virtual environment
+venv/
+
+# Build folders and artifacts
 dist/
+build/
+**/__pycache__/
+**/*.egg-info/
diff --git a/src/git_flow/command/base.py b/src/git_flow/command/base.py
index efc5c08..2e51eee 100644
--- a/src/git_flow/command/base.py
+++ b/src/git_flow/command/base.py
@@ -170,7 +170,7 @@ class Command(ABC):
 
     def get_branch_env_and_type(self, branch: str) -> tuple[str, str]:
         components = branch.split("/")
-        target_branches = self.flowconfig["flow.branches"].split(" ")
+        target_branches = self.flowconfig["flow.branches"].split(",")
 
         if len(components) == 2:
             if components[0] not in BRANCH_TYPES:
diff --git a/src/git_flow/git.py b/src/git_flow/git.py
index d3392a7..11e23ff 100644
--- a/src/git_flow/git.py
+++ b/src/git_flow/git.py
@@ -38,7 +38,7 @@ class Git:
 
     @staticmethod
     def set_config(config: dict[str, str], file: str | None = None):
-        for key, value in config:
+        for key, value in config.items():
             Git("config", key, value, file=file).exec()
 
     @staticmethod