diff --git a/prepare.py b/prepare.py
index 6de8ab003..3e6a09939 100755
--- a/prepare.py
+++ b/prepare.py
@@ -205,7 +205,10 @@ PACKAGE_NAME=$(shell sed -nE 's|<property name="linphone.package.name" value="(.
 .PHONY: all
 .NOTPARALLEL: all generate-apk generate-mediastreamer2-apk install release
 
-all: update-project generate-apk
+all: version-name update-project generate-apk
+
+version-name:
+	echo "version.name=$(LINPHONE_ANDROID_VERSION)" > default.properties
 
 build: $(addsuffix -build, $(archs))