diff --git a/archival/gzip.c b/archival/gzip.c
index b6705425e..2b520b3e7 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -1008,7 +1008,7 @@ static void compress_block(ct_data * ltree, ct_data * dtree);
 #  define SEND_CODE(c, tree) \
 { \
 	if (verbose > 1) bb_error_msg("\ncd %3d ",(c)); \
-        send_bits(tree[c].Code, tree[c].Len); \
+	send_bits(tree[c].Code, tree[c].Len); \
 }
 #endif
 
diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c
index e0272003c..6fd134018 100644
--- a/archival/libunarchive/get_header_cpio.c
+++ b/archival/libunarchive/get_header_cpio.c
@@ -103,7 +103,7 @@ char get_header_cpio(archive_handle_t *archive_handle)
 		/* Always round up */
 		printf("%d blocks\n", (int) (archive_handle->offset % 512 ?
 		                             archive_handle->offset / 512 + 1 :
-                                             archive_handle->offset / 512
+		                             archive_handle->offset / 512
 		                            ));
 		if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */
 			hardlinks_t *tmp = saved_hardlinks;
diff --git a/coreutils/chown.c b/coreutils/chown.c
index da6b6abdd..09cf73f04 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -72,7 +72,7 @@ int chown_main(int argc, char **argv)
 		*groupName = ':'; /* replace '.' with ':' */
 
 	/* First, try parsing "user[:[group]]" */
-        if (!groupName) { /* "user" */
+	if (!groupName) { /* "user" */
 		ugid.uid = get_ug_id(*argv, xuname2uid);
 	} else if (groupName == *argv) { /* ":group" */
 		ugid.gid = get_ug_id(groupName + 1, xgroup2gid);
diff --git a/coreutils/install.c b/coreutils/install.c
index aa7e8bf2b..c899158aa 100644
--- a/coreutils/install.c
+++ b/coreutils/install.c
@@ -86,7 +86,7 @@ int install_main(int argc, char **argv)
 						break;
 					}
 				}
-        			if ((flags & (OPT_OWNER|OPT_GROUP))
+				if ((flags & (OPT_OWNER|OPT_GROUP))
 				 && lchown(*argv, uid, gid) == -1
 				) {
 					bb_perror_msg("cannot change ownership of %s", *argv);
diff --git a/editors/awk.c b/editors/awk.c
index 9ed2781be..d6dcd9578 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2648,7 +2648,7 @@ int awk_main(int argc, char **argv)
 	char *vnames = (char *)vNames; /* cheat */
 	char *vvalues = (char *)vValues;
 
-        /* Undo busybox.c, or else strtod may eat ','! This breaks parsing:
+	/* Undo busybox.c, or else strtod may eat ','! This breaks parsing:
 	 * $1,$2 == '$1,' '$2', NOT '$1' ',' '$2' */
 	if (ENABLE_LOCALE_SUPPORT)
 		setlocale(LC_NUMERIC, "C");
diff --git a/include/libbb.h b/include/libbb.h
index 72261b760..4060498b8 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -423,8 +423,8 @@ extern long xgroup2gid(const char *name);
 extern unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
 /* from chpst. Does not die, returns 0 on failure */
 struct bb_uidgid_t {
-        uid_t uid;
-        gid_t gid;
+	uid_t uid;
+	gid_t gid;
 };
 extern int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
 /* what is this? */
diff --git a/networking/telnetd.c b/networking/telnetd.c
index ff83c93da..51bd0c012 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -335,7 +335,7 @@ free_session(struct tsession *ts)
 	free(ts);
 
 	/* scan all sessions and find new maxfd */
-        ts = sessions;
+	ts = sessions;
 	maxfd = 0;
 	while (ts) {
 		if (maxfd < ts->ptyfd)
diff --git a/procps/kill.c b/procps/kill.c
index 18121f06f..5b167326f 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -94,7 +94,7 @@ do_it_now:
 		pid = getpid();
 		sid = getsid(pid);
 		/* Now kill all processes except our session */
-        	while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
+		while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
 			if (p->sid != sid && p->pid != pid && p->pid != 1)
 				kill(p->pid, signo);
 		}
diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
index 078e55a2e..1fd501b39 100644
--- a/scripts/kconfig/lxdialog/menubox.c
+++ b/scripts/kconfig/lxdialog/menubox.c
@@ -179,8 +179,8 @@ static void do_scroll(WINDOW *win, int *scroll, int n)
  * Display a menu for choosing among a number of options
  */
 int dialog_menu(const char *title, const char *prompt, int height, int width,
-                int menu_height, const char *current, int item_no,
-                const char *const *items)
+		int menu_height, const char *current, int item_no,
+		const char *const *items)
 {
 	int i, j, x, y, box_x, box_y;
 	int key = 0, button = 0, scroll = 0, choice = 0;
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 405282796..716e41f5f 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -201,7 +201,7 @@ static void log_to_shmem(const char *msg, int len)
 
 	/* Circular Buffer Algorithm:
 	 * --------------------------
-         * tail == position where to store next syslog message.
+	 * tail == position where to store next syslog message.
 	 * head == position of next message to retrieve ("print").
 	 * if head == tail, there is no "unprinted" messages left.
 	 * head is typically advanced by separate "reader" program,
diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index e2341ced1..4e9365116 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -155,7 +155,7 @@ static char super_block_buffer[BLOCK_SIZE];
 /* gcc likes this more (code is smaller) than macro variant */
 static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
 {
-        return (size + n-1) / n;
+	return (size + n-1) / n;
 }
 
 #if ENABLE_FEATURE_MINIX2