diff --git a/doc/Frequently-Asked-Questions.asciidoc b/doc/Frequently-Asked-Questions.asciidoc
index 23fa3b8a..f266a266 100644
--- a/doc/Frequently-Asked-Questions.asciidoc
+++ b/doc/Frequently-Asked-Questions.asciidoc
@@ -6,8 +6,8 @@
 
 I am running Windows 7 and I am finding that the installed driver is not signed.::
 
-	Your Windows 7 OS is missing SHA-2 Code Signing Support. You need to install the following security advisory that will rectify the problem:
-	https://technet.microsoft.com/en-us/library/security/3033929.aspx
+    Your Windows 7 OS is missing SHA-2 Code Signing Support. You need to install the following security advisory that will rectify the problem:
+    https://technet.microsoft.com/en-us/library/security/3033929.aspx
 
 
 Disconnecting (unmapping) a network drive does not work.::
diff --git a/ext/tlib/Commit.txt b/ext/tlib/Commit.txt
index 8fad788f..7dc949ea 100644
--- a/ext/tlib/Commit.txt
+++ b/ext/tlib/Commit.txt
@@ -1,2 +1,2 @@
 Taken from secfs.core/src/tlib codebase:
-	commit 16296d2ac64a7d532b1c486dd3c44af5865d4851
+    commit 16296d2ac64a7d532b1c486dd3c44af5865d4851
diff --git a/inc/fuse/fuse_opt.h b/inc/fuse/fuse_opt.h
index af8dcc92..09341605 100644
--- a/inc/fuse/fuse_opt.h
+++ b/inc/fuse/fuse_opt.h
@@ -41,16 +41,16 @@ extern "C" {
 
 struct fuse_opt
 {
-	const char *templ;
-	unsigned int offset;
-	int value;
+    const char *templ;
+    unsigned int offset;
+    int value;
 };
 
 struct fuse_args
 {
-	int argc;
-	char **argv;
-	int allocated;
+    int argc;
+    char **argv;
+    int allocated;
 };
 
 typedef int (*fuse_opt_proc_t)(void *data, const char *arg, int key,
diff --git a/tst/winfsp-tests/helper/winfsp-tests-helper.c b/tst/winfsp-tests/helper/winfsp-tests-helper.c
index f83c2f8a..6e27567a 100644
--- a/tst/winfsp-tests/helper/winfsp-tests-helper.c
+++ b/tst/winfsp-tests/helper/winfsp-tests-helper.c
@@ -74,17 +74,17 @@ static long long wcstoint(const wchar_t *p, int base, int is_signed)
 
 int wmain(int argc, wchar_t **argv)
 {
-	HANDLE Event;
-	ULONG Timeout;
+    HANDLE Event;
+    ULONG Timeout;
 
-	if (argc != 3)
-		return 1;
+    if (argc != 3)
+        return 1;
 
-	Event = (HANDLE)(UINT_PTR)wcstoint(argv[1], 16, 0);
-	Timeout = wcstoint(argv[2], 16, 0);
+    Event = (HANDLE)(UINT_PTR)wcstoint(argv[1], 16, 0);
+    Timeout = wcstoint(argv[2], 16, 0);
 
-	SetEvent(Event);
-	CloseHandle(Event);
+    SetEvent(Event);
+    CloseHandle(Event);
 
     Sleep(Timeout);