diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a508f6ad..4ed9c236 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -29,8 +29,8 @@ if(NOT MSVC)
   # EUC
   add_executable(testc testc.c)
   target_link_libraries(testc onig)
-  if (CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
-	target_compile_options(testc PRIVATE -Wall -Wno-invalid-source-encoding)
+  if(CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
+    target_compile_options(testc PRIVATE -Wall -Wno-invalid-source-encoding)
   endif()
 endif(NOT MSVC)
 
diff --git a/test/test_back.c b/test/test_back.c
index 1bf58488..b70e112f 100644
--- a/test/test_back.c
+++ b/test/test_back.c
@@ -1444,8 +1444,9 @@ extern int main(int argc, char *argv[]) {
   x2("(?i)A\u2126=", "a\xcf\x89=", 0, 4);
   x2("(?i:ss)=1234567890", "\xc5\xbf\xc5\xbf=1234567890", 0, 15);
 
-  n("a(b|)+d", "abbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcd"); /* https://www.haijin-boys.com/discussions/5079
-                                                      */
+  n("a(b|)+d",
+    "abbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcd"); /* https://www.haijin-boys.com/discussions/5079
+                                           */
   n("   \xfd", ""); /* https://bugs.php.net/bug.php?id=77370 */
   /* can't use \xfc00.. because compiler error: hex escape sequence out of range
    */
diff --git a/test/test_utf8.c b/test/test_utf8.c
index 7fb15a78..e4123f8a 100644
--- a/test/test_utf8.c
+++ b/test/test_utf8.c
@@ -1751,8 +1751,9 @@ extern int main(int argc, char *argv[]) {
   x2("\\A.*\\s", "\n", 0, 1); //  \s
   x2("\\A.{0,99}\\s", "\n", 0, 1);
 
-  n("a(b|)+d", "abbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcd"); /* https://www.haijin-boys.com/discussions/5079
-                                                      */
+  n("a(b|)+d",
+    "abbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcd"); /* https://www.haijin-boys.com/discussions/5079
+                                           */
   n("   \xfd", ""); /* https://bugs.php.net/bug.php?id=77370 */
   /* can't use \xfc00.. because compiler error: hex escape sequence out of range
    */