diff --git a/packages/debug/mesa-demos/build b/packages/debug/mesa-demos/build
index 1c61867820..05297e26c2 100755
--- a/packages/debug/mesa-demos/build
+++ b/packages/debug/mesa-demos/build
@@ -4,7 +4,7 @@
 
 $SCRIPTS/build toolchain
 $SCRIPTS/build libX11
-$SCRIPTS/build Mesa
+$SCRIPTS/build $MESA
 $SCRIPTS/build glew
 
 cd $PKG_BUILD
diff --git a/packages/debug/mesa-demos/install b/packages/debug/mesa-demos/install
index 4dd826ce32..45097435df 100755
--- a/packages/debug/mesa-demos/install
+++ b/packages/debug/mesa-demos/install
@@ -3,7 +3,7 @@
 . config/options $1
 
 $SCRIPTS/install libX11
-$SCRIPTS/install Mesa
+$SCRIPTS/install $MESA
 $SCRIPTS/install glew
 
 mkdir -p $INSTALL/usr/bin