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-rw-r--r--libguile/__scm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/__scm.h b/libguile/__scm.h
index 7322a69fb..584dad4bd 100644
--- a/libguile/__scm.h
+++ b/libguile/__scm.h
@@ -130,7 +130,7 @@ typedef unsigned long ulong_long;
#ifdef __STDC__
# define SCM_P(x) x
#else
-# define SCM_P(x) (x)
+# define SCM_P(x) ()
#endif