diff --git a/glfw/linux_desktop_settings.c b/glfw/linux_desktop_settings.c
index 4fca7c7d1..4cad9d97f 100644
--- a/glfw/linux_desktop_settings.c
+++ b/glfw/linux_desktop_settings.c
@@ -83,8 +83,8 @@ process_settings_dict(DBusMessageIter *array_iter, void(process_setting)(const c
 
 HANDLER(process_desktop_settings)
     cursor_theme_changed = false;
-	DBusMessageIter root, array, item, settings;
-	dbus_message_iter_init(msg, &root);
+    DBusMessageIter root, array, item, settings;
+    dbus_message_iter_init(msg, &root);
 #define die(...) { _glfwInputError(GLFW_PLATFORM_ERROR, __VA_ARGS__); return; }
     if (dbus_message_iter_get_arg_type(&root) != DBUS_TYPE_ARRAY) die("Reply to request for desktop settings is not an array");
     dbus_message_iter_recurse(&root, &array);
diff --git a/glfw/wl_client_side_decorations.c b/glfw/wl_client_side_decorations.c
index f27419aac..06c1dce02 100644
--- a/glfw/wl_client_side_decorations.c
+++ b/glfw/wl_client_side_decorations.c
@@ -31,13 +31,13 @@ static void
 build_blur_kernel(kernel_type *blur_kernel, const size_t size, kernel_type sigma) {
     // 1D Normalized Gaussian
     const kernel_type half = size / (kernel_type)2;
-	kernel_type sum = 0;
-	for (size_t i = 0; i < size; i++) {
-		kernel_type f = (i - half);
-		blur_kernel[i] = (kernel_type)exp(- f * f / sigma);
-		sum += blur_kernel[i];
-	}
-	for (size_t i = 0; i < size; i++) blur_kernel[i] /= sum;
+    kernel_type sum = 0;
+    for (size_t i = 0; i < size; i++) {
+        kernel_type f = (i - half);
+        blur_kernel[i] = (kernel_type)exp(- f * f / sigma);
+        sum += blur_kernel[i];
+    }
+    for (size_t i = 0; i < size; i++) blur_kernel[i] /= sum;
 }
 
 static void
diff --git a/glfw/wl_platform.h b/glfw/wl_platform.h
index bde676d85..7e0298177 100644
--- a/glfw/wl_platform.h
+++ b/glfw/wl_platform.h
@@ -116,12 +116,12 @@ typedef enum WaylandWindowState {
     TOPLEVEL_STATE_NONE = 0,
     TOPLEVEL_STATE_MAXIMIZED = 1,
     TOPLEVEL_STATE_FULLSCREEN = 2,
-	TOPLEVEL_STATE_RESIZING = 4,
-	TOPLEVEL_STATE_ACTIVATED = 8,
-	TOPLEVEL_STATE_TILED_LEFT = 16,
-	TOPLEVEL_STATE_TILED_RIGHT = 32,
-	TOPLEVEL_STATE_TILED_TOP = 64,
-	TOPLEVEL_STATE_TILED_BOTTOM = 128,
+    TOPLEVEL_STATE_RESIZING = 4,
+    TOPLEVEL_STATE_ACTIVATED = 8,
+    TOPLEVEL_STATE_TILED_LEFT = 16,
+    TOPLEVEL_STATE_TILED_RIGHT = 32,
+    TOPLEVEL_STATE_TILED_TOP = 64,
+    TOPLEVEL_STATE_TILED_BOTTOM = 128,
 } WaylandWindowState;
 
 
diff --git a/kittens/transfer/rsync.c b/kittens/transfer/rsync.c
index 5bd1e9df4..c2c6cbfd3 100644
--- a/kittens/transfer/rsync.c
+++ b/kittens/transfer/rsync.c
@@ -252,5 +252,5 @@ static struct PyModuleDef module = {
 
 EXPORTED PyMODINIT_FUNC
 PyInit_rsync(void) {
-	return PyModuleDef_Init(&module);
+    return PyModuleDef_Init(&module);
 }
diff --git a/kittens/unicode_input/unicode_names.c b/kittens/unicode_input/unicode_names.c
index 9a9eb93fd..39db7b481 100644
--- a/kittens/unicode_input/unicode_names.c
+++ b/kittens/unicode_input/unicode_names.c
@@ -110,5 +110,5 @@ static struct PyModuleDef module = {
 
 EXPORTED PyMODINIT_FUNC
 PyInit_unicode_names(void) {
-	return PyModuleDef_Init(&module);
+    return PyModuleDef_Init(&module);
 }
diff --git a/kitty/child-monitor.c b/kitty/child-monitor.c
index de884346c..8c974cb7f 100644
--- a/kitty/child-monitor.c
+++ b/kitty/child-monitor.c
@@ -1808,12 +1808,12 @@ random_unix_socket(PyObject *self UNUSED, PyObject *args UNUSED) {
     errno = ENOTSUP;
     return PyErr_SetFromErrno(PyExc_OSError);
 #else
-	int fd, optval = 1;
-	struct sockaddr_un bind_addr = {.sun_family=AF_UNIX};
-	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    int fd, optval = 1;
+    struct sockaddr_un bind_addr = {.sun_family=AF_UNIX};
+    fd = socket(AF_UNIX, SOCK_STREAM, 0);
     if (fd < 0) return PyErr_SetFromErrno(PyExc_OSError);
-	if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &optval, sizeof optval) != 0) goto fail;
-	if (bind(fd, (struct sockaddr *)&bind_addr, sizeof(sa_family_t)) != 0) goto fail;
+    if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &optval, sizeof optval) != 0) goto fail;
+    if (bind(fd, (struct sockaddr *)&bind_addr, sizeof(sa_family_t)) != 0) goto fail;
     return PyLong_FromLong((long)fd);
 fail:
     safe_close(fd, __FILE__, __LINE__);
diff --git a/kitty/crypto.c b/kitty/crypto.c
index 14bf92aa5..5607cbdcf 100644
--- a/kitty/crypto.c
+++ b/kitty/crypto.c
@@ -132,7 +132,7 @@ new_ec_key(PyTypeObject *type, PyObject *args, PyObject *kwds) {
 
     if (NULL == (pctx = EVP_PKEY_CTX_new_id(nid, NULL))) ssl_error("Failed to create context for key generation");
     if(1 != EVP_PKEY_keygen_init(pctx)) ssl_error("Failed to initialize keygen context");
-	if (1 != EVP_PKEY_keygen(pctx, &key)) ssl_error("Failed to generate key");
+    if (1 != EVP_PKEY_keygen(pctx, &key)) ssl_error("Failed to generate key");
 
     self = (EllipticCurveKey *)type->tp_alloc(type, 0);
     if (self) {