1 files changed, 1 insertions, 1 deletions

diff --git a/src/xfaces.c b/src/xfaces.c
index bcb97aebb01..3f5a4f4403d 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -4686,7 +4686,7 @@ If FRAME is omitted or nil, use the selected frame.  */)
           && !EQ (LFACE_WEIGHT (lface), Qnormal))
         result = Fcons (Qbold, result);
 
-      if (!NILP (LFACE_SLANT (lface))
+      if (!UNSPECIFIEDP (LFACE_SLANT (lface))
           && !EQ (LFACE_SLANT (lface), Qnormal))
         result = Fcons (Qitalic, result);