From 61142ae60945b3a18a83d16a97801b662cf09b5e Mon Sep 17 00:00:00 2001
From: Teun van den Brand <49372158+teunbrand@users.noreply.github.com>
Date: Wed, 13 Dec 2023 09:38:16 +0100
Subject: [PATCH] Fix expression label bug (#5577)

---
 R/guide-axis-theta.R | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/R/guide-axis-theta.R b/R/guide-axis-theta.R
index c8c8fa3619..47be994523 100644
--- a/R/guide-axis-theta.R
+++ b/R/guide-axis-theta.R
@@ -185,7 +185,7 @@ GuideAxisTheta <- ggproto(
     key <- vec_slice(key, !vec_detect_missing(key$.label %||% NA))
 
     # Early exit if drawing no labels
-    labels <- key$.label
+    labels <- validate_labels(key$.label)
     if (length(labels) < 1) {
       return(zeroGrob())
     }
@@ -255,7 +255,7 @@ GuideAxisTheta <- ggproto(
 
     key <- params$key
     key <- vec_slice(key, !is.na(key$.label) & nzchar(key$.label))
-    labels <- key$.label
+    labels <- validate_labels(key$.label)
     if (length(labels) == 0 || inherits(elements$text, "element_blank")) {
       return(list(offset = offset))
     }