diff --git a/src/protocols/kubernetes/settings.c b/src/protocols/kubernetes/settings.c
index cc5cf446..a56ef802 100644
--- a/src/protocols/kubernetes/settings.c
+++ b/src/protocols/kubernetes/settings.c
@@ -432,14 +432,14 @@ guac_kubernetes_settings* guac_kubernetes_parse_args(guac_user* user,
     /* Use default clipboard buffer size if given one is invalid. */
     if (settings->clipboard_buffer_size < GUAC_COMMON_CLIPBOARD_MIN_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MIN_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_INFO, "Unspecified or invalid clipboard buffer "
                 "size: \"%s\". Using the default minimum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
     }
     else if (settings->clipboard_buffer_size > GUAC_COMMON_CLIPBOARD_MAX_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MAX_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_WARNING, "Invalid clipboard buffer "
                 "size: \"%s\". Using the default maximum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
diff --git a/src/protocols/rdp/settings.c b/src/protocols/rdp/settings.c
index df2dbdd8..188229b3 100644
--- a/src/protocols/rdp/settings.c
+++ b/src/protocols/rdp/settings.c
@@ -1298,14 +1298,14 @@ guac_rdp_settings* guac_rdp_parse_args(guac_user* user,
     /* Use default clipboard buffer size if given one is invalid. */
     if (settings->clipboard_buffer_size < GUAC_COMMON_CLIPBOARD_MIN_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MIN_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_INFO, "Unspecified or invalid clipboard buffer "
                 "size: \"%s\". Using the default minimum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
     }
     else if (settings->clipboard_buffer_size > GUAC_COMMON_CLIPBOARD_MAX_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MAX_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_WARNING, "Invalid clipboard buffer "
                 "size: \"%s\". Using the default maximum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
diff --git a/src/protocols/ssh/settings.c b/src/protocols/ssh/settings.c
index 22a5dced..39bb1277 100644
--- a/src/protocols/ssh/settings.c
+++ b/src/protocols/ssh/settings.c
@@ -570,14 +570,14 @@ guac_ssh_settings* guac_ssh_parse_args(guac_user* user,
     /* Use default clipboard buffer size if given one is invalid. */
     if (settings->clipboard_buffer_size < GUAC_COMMON_CLIPBOARD_MIN_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MIN_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_INFO, "Unspecified or invalid clipboard buffer "
                 "size: \"%s\". Using the default minimum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
     }
     else if (settings->clipboard_buffer_size > GUAC_COMMON_CLIPBOARD_MAX_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MAX_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_WARNING, "Invalid clipboard buffer "
                 "size: \"%s\". Using the default maximum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
diff --git a/src/protocols/telnet/settings.c b/src/protocols/telnet/settings.c
index beeaf224..7756ad52 100644
--- a/src/protocols/telnet/settings.c
+++ b/src/protocols/telnet/settings.c
@@ -535,14 +535,14 @@ guac_telnet_settings* guac_telnet_parse_args(guac_user* user,
     /* Use default clipboard buffer size if given one is invalid. */
     if (settings->clipboard_buffer_size < GUAC_COMMON_CLIPBOARD_MIN_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MIN_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_INFO, "Unspecified or invalid clipboard buffer "
                 "size: \"%s\". Using the default minimum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
     }
     else if (settings->clipboard_buffer_size > GUAC_COMMON_CLIPBOARD_MAX_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MAX_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_WARNING, "Invalid clipboard buffer "
                 "size: \"%s\". Using the default maximum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
diff --git a/src/protocols/vnc/settings.c b/src/protocols/vnc/settings.c
index 1b6f63ef..b2322f33 100644
--- a/src/protocols/vnc/settings.c
+++ b/src/protocols/vnc/settings.c
@@ -699,14 +699,14 @@ guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
     /* Use default clipboard buffer size if given one is invalid. */
     if (settings->clipboard_buffer_size < GUAC_COMMON_CLIPBOARD_MIN_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MIN_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_INFO, "Unspecified or invalid clipboard buffer "
                 "size: \"%s\". Using the default minimum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);
     }
     else if (settings->clipboard_buffer_size > GUAC_COMMON_CLIPBOARD_MAX_LENGTH) {
         settings->clipboard_buffer_size = GUAC_COMMON_CLIPBOARD_MAX_LENGTH;
-        guac_user_log(user, GUAC_LOG_ERROR, "Invalid clipboard buffer "
+        guac_user_log(user, GUAC_LOG_WARNING, "Invalid clipboard buffer "
                 "size: \"%s\". Using the default maximum size: %i.",
                 argv[IDX_CLIPBOARD_BUFFER_SIZE],
                 settings->clipboard_buffer_size);