diff --git a/tests/libgen_basename_test.cpp b/tests/libgen_basename_test.cpp
index 1202af6..fd3a81c 100644
--- a/tests/libgen_basename_test.cpp
+++ b/tests/libgen_basename_test.cpp
@@ -34,7 +34,7 @@
 #include <libgen.h>
 
 #if !defined(basename) && !defined(MUSL)
-  #error basename should be defined at this point
+#error basename should be defined at this point
 #endif
 
 static char* posix_basename(char* in) {