diff --git a/.clang-format b/.clang-format
index 91fa8f2..1d831c8 100644
--- a/.clang-format
+++ b/.clang-format
@@ -94,7 +94,7 @@ IncludeIsMainSourceRegex: ""
 IndentCaseLabels: false
 IndentCaseBlocks: false
 IndentGotoLabels: true
-IndentPPDirectives: None
+IndentPPDirectives: AfterHash
 IndentExternBlock: AfterExternBlock
 IndentRequires: false
 IndentWidth: 4
diff --git a/src/base64.c b/src/base64.c
index 42a8429..c06a4cb 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -52,7 +52,7 @@ b64_to_bin(unsigned char *const bin, const char *b64, size_t bin_maxlen, size_t
         REV64_NONE, REV64_NONE, REV64_NONE, REV64_NONE
     };
     const unsigned char *b64_u = (const unsigned char *) b64;
-    unsigned char *      bin_w = bin;
+    unsigned char       *bin_w = bin;
     unsigned char        mask  = 0U;
     unsigned char        t0 = 0, t1 = 0, t2 = 0, t3 = 0;
     uint32_t             t = 0;
diff --git a/src/get_line.c b/src/get_line.c
index 328de78..e29e2eb 100644
--- a/src/get_line.c
+++ b/src/get_line.c
@@ -1,6 +1,6 @@
 
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
-#include <sys/types.h>
+#    include <sys/types.h>
 #endif
 
 #include <assert.h>
@@ -10,19 +10,19 @@
 #include <string.h>
 
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
-#include <fcntl.h>
-#include <poll.h>
-#include <termios.h>
-#include <unistd.h>
+#    include <fcntl.h>
+#    include <poll.h>
+#    include <termios.h>
+#    include <unistd.h>
 #elif defined(_WIN32)
-#include <windows.h>
+#    include <windows.h>
 #endif
 
 #include "get_line.h"
 #include "helpers.h"
 
 #ifndef TCSAFLUSH
-#define TCSAFLUSH 0
+#    define TCSAFLUSH 0
 #endif
 
 #ifndef VERIFY_ONLY
@@ -33,7 +33,7 @@ disable_echo(void)
     fflush(stdout);
     fflush(stderr);
 
-#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
+#    if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
     {
         struct termios p;
 
@@ -43,7 +43,7 @@ disable_echo(void)
         p.c_lflag &= ~ECHO;
         tcsetattr(0, TCSAFLUSH, &p);
     }
-#elif defined(_WIN32)
+#    elif defined(_WIN32)
     {
         HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
         DWORD  mode   = 0;
@@ -51,7 +51,7 @@ disable_echo(void)
         GetConsoleMode(handle, &mode);
         SetConsoleMode(handle, mode & ~ENABLE_ECHO_INPUT);
     }
-#endif
+#    endif
 }
 
 static void
@@ -60,7 +60,7 @@ enable_echo(void)
     fflush(stdout);
     fflush(stderr);
 
-#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
+#    if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
     {
         struct termios p;
 
@@ -70,7 +70,7 @@ enable_echo(void)
         p.c_lflag |= ECHO;
         tcsetattr(0, TCSAFLUSH, &p);
     }
-#elif defined(_WIN32)
+#    elif defined(_WIN32)
     {
         HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
         DWORD  mode   = 0;
@@ -78,7 +78,7 @@ enable_echo(void)
         GetConsoleMode(handle, &mode);
         SetConsoleMode(handle, mode | ENABLE_ECHO_INPUT);
     }
-#endif
+#    endif
 }
 
 int
diff --git a/src/helpers.h b/src/helpers.h
index ec76326..5ef815d 100644
--- a/src/helpers.h
+++ b/src/helpers.h
@@ -6,12 +6,12 @@
 #include <stdio.h>
 
 #if !defined(__GNUC__) && !defined(__attribute__)
-#define __attribute__(X)
+#    define __attribute__(X)
 #endif
 #ifdef _WIN32
-#define DIR_SEP '\\'
+#    define DIR_SEP '\\'
 #else
-#define DIR_SEP '/'
+#    define DIR_SEP '/'
 #endif
 
 uint64_t le64_load(const unsigned char *p);