diff --git a/src/jemalloc.c b/src/jemalloc.c
index cecd012c..ec88700a 100644
--- a/src/jemalloc.c
+++ b/src/jemalloc.c
@@ -83,11 +83,13 @@ typedef struct {
 #ifdef JEMALLOC_UTRACE
 #  define UTRACE(a, b, c) do {						\
 	if (opt_utrace) {						\
+		int utrace_serrno = errno;				\
 		malloc_utrace_t ut;					\
 		ut.p = (a);						\
 		ut.s = (b);						\
 		ut.r = (c);						\
 		utrace(&ut, sizeof(ut));				\
+		errno = utrace_serrno;					\
 	}								\
 } while (0)
 #else