diff --git a/latex/build-image.sh b/latex/build-image.sh
index 66d756e..64ce4a7 100755
--- a/latex/build-image.sh
+++ b/latex/build-image.sh
@@ -3,11 +3,15 @@
 echo "Build will be tagged with $1"
 echo "Build directory is $(pwd)"
 
-OLD_IMG=docker image ls -q "$1"
+OLD_IMG=$(docker image ls -q "$1")
 docker buildx build . -t "$1"
 
 echo "Build complete, starting upload..."
 docker push "$1"
 
-echo "New build uploaded, removing old image, id: $OLD_IMG"
-docker image rm "$OLD_IMG"
+if [[ -n "$OLD_IMG" ]]; then
+	if [[ "$OLD_IMG" != "$(docker image ls -q "$1")" ]]; then
+		echo "New build uploaded, removing old image, id: $OLD_IMG"
+		docker image rm "$OLD_IMG"
+	fi
+fi