diff --git a/libguile/continuations.c b/libguile/continuations.c
index 96ece0526..05a1faacf 100644
--- a/libguile/continuations.c
+++ b/libguile/continuations.c
@@ -124,7 +124,7 @@ pin_conservative_roots (scm_thread *thread, void *base, size_t size)
 {
   struct gc_mutator *mut = thread->mutator;
   struct gc_heap *heap = gc_mutator_heap (mut);
-  
+
   size_t nwords = size / sizeof (scm_t_bits);
   scm_t_bits *words = base;
   for (size_t i = 0; i < nwords; i++)