diff --git a/lib/roken/roken.h b/lib/roken/roken.h
index 7df5c98e6..73d126ca3 100644
--- a/lib/roken/roken.h
+++ b/lib/roken/roken.h
@@ -250,7 +250,7 @@ writev(int d, const struct iovec *iov, int iovcnt);
 
 #ifndef HAVE_READV
 ssize_t
-readv(int d, const struct iovec *iov, int iovcnt)
+readv(int d, const struct iovec *iov, int iovcnt);
 #endif
 
 #ifndef HAVE_FLOCK
diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index 7df5c98e6..73d126ca3 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -250,7 +250,7 @@ writev(int d, const struct iovec *iov, int iovcnt);
 
 #ifndef HAVE_READV
 ssize_t
-readv(int d, const struct iovec *iov, int iovcnt)
+readv(int d, const struct iovec *iov, int iovcnt);
 #endif
 
 #ifndef HAVE_FLOCK