diff --git a/metadata/com.numix.calculator.txt b/metadata/com.numix.calculator.txt
index fe1d281e2d..31a1047ebb 100644
--- a/metadata/com.numix.calculator.txt
+++ b/metadata/com.numix.calculator.txt
@@ -23,26 +23,26 @@ Repo Type:git
 Repo:https://github.com/numixproject/com.numix.calculator
 
 Build:2.2,5
-    disable=wait for upstream
     commit=e1e3992774dcdadadf4fdeb0620fb35ec26d438f
     subdir=app
     gradle=yes
     rm=app/libs/*
-    srclibs=Slider@00020deb7fa5499bb33cc4471af2bd5256d10e78,ArityXlythe@459535ba5005c6f3a03101b15354e44df161a637,AChartEngine@r567
+    srclibs=Slider@00020deb7fa5499bb33cc4471af2bd5256d10e78,ArityXlythe@459535ba5005c6f3a03101b15354e44df161a637,AChartengineXlythe@0b27908f012ba17360977f8b87c64e755948302c
     prebuild=sed -i -e '/svg-android/d' build.gradle && \
-        pushd $$AChartEngine$$ && $$MVN3$$ package && popd && \
+        cp -r $$AChartengineXlythe$$/src/org src/main/java/ && \
         pushd $$Slider$$ && android update project -p ./ && ant release && popd && \
         pushd $$ArityXlythe$$ && rm -fR bin/* && find -name "*.java" > sources.txt && \
         javac -d bin @sources.txt && cd bin && jar cf arity.jar org && popd && \
-        cp $$AChartEngine$$/target/achartengine-1.2.0.jar libs/achartengine.jar && \
         cp $$Slider$$/bin/classes.jar libs/slider.jar && \
         cp $$ArityXlythe$$/bin/arity.jar libs/arity-2.1.6.jar && \
         sed -i -e '$d' -e '/androidsvg/d' -e '/ejml/d' -e '/acra/d' build.gradle && \
         echo -e "compile 'ch.acra:acra:4.5.0'\n    compile 'com.googlecode.efficient-java-matrix-library:ejml:0.21'\n    compile 'com.caverock:androidsvg:1.2.1'\n}" >>  build.gradle
 
 Maintainer Notes:
-* Doesn't build; maybe they use AChartengineXlythe instead of AChartEngine.
-* Wait for upstream to clean up on their end: https://github.com/numixproject/com.numix.calculator/issues/14 
+* They use AChartengineXlythe instead of AChartEngine.
+* Enable, but wait for upstream to clean up on their
+  end for the next version, see: 
+  https://github.com/numixproject/com.numix.calculator/issues/14 
 .
 
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