diff --git a/compile.sh b/compile.sh
index 8c0380da5..5adc5a532 100755
--- a/compile.sh
+++ b/compile.sh
@@ -470,6 +470,7 @@ fi
 
 # Git: Submodules.
 echo " --- Updating submodules..."
+git submodule sync
 git submodule update --init