diff --git a/include/jemalloc/internal/util.h b/include/jemalloc/internal/util.h
index aee00d6d..119696bb 100644
--- a/include/jemalloc/internal/util.h
+++ b/include/jemalloc/internal/util.h
@@ -56,17 +56,17 @@
  * uninitialized.
  */
 #ifdef JEMALLOC_CC_SILENCE
-#	define JEMALLOC_CC_SILENCE_INIT(v) = v
+#  define JEMALLOC_CC_SILENCE_INIT(v) = v
 #else
-#	define JEMALLOC_CC_SILENCE_INIT(v)
+#  define JEMALLOC_CC_SILENCE_INIT(v)
 #endif
 
 #ifdef __GNUC__
-#	define likely(x)   __builtin_expect(!!(x), 1)
-#	define unlikely(x) __builtin_expect(!!(x), 0)
+#  define likely(x)   __builtin_expect(!!(x), 1)
+#  define unlikely(x) __builtin_expect(!!(x), 0)
 #else
-#	define likely(x)   !!(x)
-#	define unlikely(x) !!(x)
+#  define likely(x)   !!(x)
+#  define unlikely(x) !!(x)
 #endif
 
 #if !defined(JEMALLOC_INTERNAL_UNREACHABLE)