diff --git a/src/dogmove.c b/src/dogmove.c
index 1fc4a02e0..78047365e 100644
--- a/src/dogmove.c
+++ b/src/dogmove.c
@@ -1366,7 +1366,7 @@ void
 finish_meating(struct monst *mtmp)
 {
     mtmp->meating = 0;
-    if (M_AP_TYPE(mtmp) && mtmp->mappearance && mtmp->cham == NON_PM) {
+    if (M_AP_TYPE(mtmp) && mtmp->mappearance && mtmp->data->mlet != S_MIMIC) {
         /* was eating a mimic and now appearance needs resetting */
         mtmp->m_ap_type = M_AP_NOTHING;
         mtmp->mappearance = 0;