diff --git a/bootanimation/generate-bootanimation.sh b/bootanimation/generate-bootanimation.sh
index 1c3937f..43c7900 100644
--- a/bootanimation/generate-bootanimation.sh
+++ b/bootanimation/generate-bootanimation.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 WIDTH="$1"
-HEIGHT="$2"
+HEIGHT="$(echo "$WIDTH" | bc)"
 BOOTANIOUT="$ANDROID_PRODUCT_OUT/obj/BOOTANIMATION"
 
 if [ "$HEIGHT" -lt "$WIDTH" ]; then