diff --git a/src/protocols/rdp/rdp_settings.c b/src/protocols/rdp/rdp_settings.c
index f37c156e..78e97078 100644
--- a/src/protocols/rdp/rdp_settings.c
+++ b/src/protocols/rdp/rdp_settings.c
@@ -1280,8 +1280,15 @@ void guac_rdp_push_settings(guac_rdp_settings* guac_settings, freerdp* rdp) {
 #endif
 
     /* Device redirection */
-    if (guac_settings->timezone)
-        setenv("TZ", guac_settings->timezone, 1);
+    if (guac_settings->timezone) {
+
+        /* Set the TZ env variable */
+        if (setenv("TZ", guac_settings->timezone, 1)) {
+            guac_user_log(user, GUAC_LOG_WARNING, "Could not set TZ "
+                "variable.  Received error %i", errno);
+        }
+
+    }
 
 #ifdef LEGACY_RDPSETTINGS
 #ifdef HAVE_RDPSETTINGS_DEVICEREDIRECTION
diff --git a/src/protocols/ssh/ssh.c b/src/protocols/ssh/ssh.c
index 9e79454b..22ba960f 100644
--- a/src/protocols/ssh/ssh.c
+++ b/src/protocols/ssh/ssh.c
@@ -257,8 +257,15 @@ void* ssh_client_thread(void* data) {
     }
 
     /* Set the client timezone */
-    if (settings->timezone != NULL)
-        libssh2_channel_setenv(ssh_client->term_channel, "TZ", settings->timezone);
+    if (settings->timezone != NULL) {
+        if (libssh2_channel_setenv(ssh_client->term_channel, "TZ",
+                    settings->timezone)) {
+            guac_client_log(client, GUAC_LOG_WARNING,
+                    "Unable to set the timzeone: SSH server "
+                    "refused to set \"TZ\" variable.");
+        }
+    }
+
 
 #ifdef ENABLE_SSH_AGENT
     /* Start SSH agent forwarding, if enabled */