diff --git a/src/color_registry.cc b/src/color_registry.cc
index 271c750b..b275f392 100644
--- a/src/color_registry.cc
+++ b/src/color_registry.cc
@@ -25,7 +25,7 @@ void ColorRegistry::register_alias(const String& name, const String& colordesc,
                                    bool override)
 {
     if (not override and m_aliases.find(name) != m_aliases.end())
-       throw runtime_error("alias '" + name + "' already defined");
+        throw runtime_error("alias '" + name + "' already defined");
 
     if (name.empty() or
         find_if(name, [](char c){ return not isalnum(c); }) != name.end())
diff --git a/src/main.cc b/src/main.cc
index 2774609c..390c3f8f 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -350,7 +350,7 @@ int main(int argc, char* argv[])
 
         std::vector<String> params;
         for (size_t i = 1; i < argc; ++i)
-             params.push_back(argv[i]);
+            params.push_back(argv[i]);
 
         kakoune(params);
     }
diff --git a/src/normal.cc b/src/normal.cc
index e6e101e7..0b50195d 100644
--- a/src/normal.cc
+++ b/src/normal.cc
@@ -251,8 +251,8 @@ void command(Context& context, int)
         ":", get_color("Prompt"),
         std::bind(&CommandManager::complete, &CommandManager::instance(), _1, _2, _3, _4),
         [](const String& cmdline, PromptEvent event, Context& context) {
-             if (event == PromptEvent::Validate)
-                 CommandManager::instance().execute(cmdline, context);
+            if (event == PromptEvent::Validate)
+                CommandManager::instance().execute(cmdline, context);
         });
 }
 
diff --git a/src/utf8_iterator.hh b/src/utf8_iterator.hh
index 20027aa3..4fa206b3 100644
--- a/src/utf8_iterator.hh
+++ b/src/utf8_iterator.hh
@@ -56,7 +56,7 @@ public:
     utf8_iterator operator+(CharCount count) const
     {
         if (count < 0)
-           return operator-(-count);
+            return operator-(-count);
 
         utf8_iterator res = *this;
         while (count--)
@@ -67,7 +67,7 @@ public:
     utf8_iterator operator-(CharCount count) const
     {
         if (count < 0)
-           return operator+(-count);
+            return operator+(-count);
 
         utf8_iterator res = *this;
         while (count--)