diff --git a/build.sh b/build.sh
index 68793c9..a7f218e 100755
--- a/build.sh
+++ b/build.sh
@@ -42,10 +42,14 @@ fi
 
 if ((REMOVE || PRUNE)); then
     if ((REMOVE)); then
-        podman image rm "${IMAGE}" 2>/dev/null
+        if podman image exists "$IMAGE"; then
+            podman image rm "${IMAGE}" || echo "WARNING: could not remove $IMAGE" >&2
+        else
+            echo "$IMAGE does not exist, nothing to remove"
+        fi
     fi
     if ((PRUNE)); then
-        podman image prune -f 2>/dev/null
+        podman image prune -f || echo "WARNING: prune failed" >&2
     fi
     exit 0
 fi