diff --git a/clientserver.c b/clientserver.c
index 18a2258..70c28b9 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -671,11 +671,41 @@ static int rsync_module(int f_in, int f_out, int i, char *addr, char *host)
 		 * a warning, unless a "require chroot" flag is set,
 		 * in which case we fail.
 		 */
+		time_t current_time = 0;
+		struct tm* local_tm;
+		char envtz[sizeof("UTC-hh:mm:ss")];
+		int hour, min, sec;
+
+		/* Do libc's timezone initialization before it gets lost
+		 * because of chroot. */
+		tzset();
+		current_time = time(NULL);
+		local_tm = localtime(&current_time);
+		long timezone = -local_tm->tm_gmtoff;
+
 		if (chroot(module_chdir)) {
 			rsyserr(FLOG, errno, "chroot %s failed", module_chdir);
 			io_printf(f_out, "@ERROR: chroot failed\n");
 			return -1;
 		}
+
+		/* Set TZ env variable according to data we got
+		 * before chroot. */
+		hour = timezone;
+		if (hour < 0) {
+			hour = -hour;
+		}
+		if (hour < 25*60*60) {
+			sec = hour % 60;
+			hour /= 60;
+			min = hour % 60;
+			hour /= 60;
+			if (timezone < 0) {
+				hour = -hour;
+			}
+			snprintf(envtz, sizeof(envtz), "UTC%+d:%d:%d", hour, min, sec);
+			setenv("TZ", envtz, 1);
+		}
 		module_chdir = module_dir;
 	}