diff --git a/src/testing/tester/tester.c b/src/testing/tester/tester.c
index 6886209..fc8773b 100644
--- a/src/testing/tester/tester.c
+++ b/src/testing/tester/tester.c
@@ -11,45 +11,45 @@
 wapp_intern void handle_test_result(TestFuncResult result);
 
 void run_tests(TestFunc *func1, ...) {
-  printf("\n");
+	printf("\n");
 
-  handle_test_result(func1());
+	handle_test_result(func1());
 
-  va_list args;
-  va_start(args, func1);
+	va_list args;
+	va_start(args, func1);
 
-  TestFunc *func = va_arg(args, TestFunc *);
+	TestFunc *func = va_arg(args, TestFunc *);
 
-  while (func) {
-    TestFuncResult result = func();
-    handle_test_result(result);
+	while (func) {
+		TestFuncResult result = func();
+		handle_test_result(result);
 
-    func = va_arg(args, TestFunc *);
-  }
+		func = va_arg(args, TestFunc *);
+	}
 
-  va_end(args);
+	va_end(args);
 
-  printf("\n");
+	printf("\n");
 }
 
 wapp_intern void handle_test_result(TestFuncResult result) {
-  TerminalColour colour;
-  Str8 result_text = wapp_str8_buf(64);
+	TerminalColour colour;
+	Str8 result_text = wapp_str8_buf(64);
 
-  if (result.passed) {
-    colour = WAPP_TERM_COLOUR_FG_BR_GREEN;
-    wapp_str8_copy_cstr_capped(&result_text, "PASSED");
-  } else {
-    colour = WAPP_TERM_COLOUR_FG_BR_RED;
-    wapp_str8_copy_cstr_capped(&result_text, "FAILED");
-  }
+	if (result.passed) {
+		colour = WAPP_TERM_COLOUR_FG_BR_GREEN;
+		wapp_str8_copy_cstr_capped(&result_text, "PASSED");
+	} else {
+		colour = WAPP_TERM_COLOUR_FG_BR_RED;
+		wapp_str8_copy_cstr_capped(&result_text, "FAILED");
+	}
 
-  printf("[");
-  wapp_shell_termcolour_print_text(&result_text, colour);
-  wapp_shell_termcolour_clear_colour();
-  printf("] " WAPP_STR8_SPEC "\n", wapp_str8_varg(result.name));
+	printf("[");
+	wapp_shell_termcolour_print_text(&result_text, colour);
+	wapp_shell_termcolour_clear_colour();
+	printf("] " WAPP_STR8_SPEC "\n", wapp_str8_varg(result.name));
 
-  if (!result.passed) {
-    exit(EXIT_FAILURE);
-  }
+	if (!result.passed) {
+		exit(EXIT_FAILURE);
+	}
 }
diff --git a/src/testing/tester/tester.h b/src/testing/tester/tester.h
index 33db2cd..11bd542 100644
--- a/src/testing/tester/tester.h
+++ b/src/testing/tester/tester.h
@@ -19,11 +19,11 @@ BEGIN_C_LINKAGE
 
 typedef struct test_func_result TestFuncResult;
 struct test_func_result {
-  Str8 name;
-  b8 passed;
+	Str8 name;
+	b8 passed;
 
 #ifdef WAPP_PLATFORM_WINDOWS
-  wapp_misc_utils_padding_size(sizeof(Str8RO) + sizeof(b8));
+	wapp_misc_utils_padding_size(sizeof(Str8RO) + sizeof(b8));
 #endif // WAPP_PLATFORM_WINDOWS
 };