diff --git a/code.sh b/code.sh
index 9ce6441..3d5e534 100755
--- a/code.sh
+++ b/code.sh
@@ -13,13 +13,13 @@ if [ ! -f ${FIRST_RUN} ]; then
   touch ${FIRST_RUN}
 fi
 
-if [ "$FLATPAK_ENABLE_SDK" = "*" ]; then
+if [ "$FLATPAK_ENABLE_SDK_EXT" = "*" ]; then
   SDK=()
   for d in /usr/lib/sdk/*; do
     SDK+=("${d##*/}")
   done
 else
-  IFS=',' read -ra SDK <<< "$FLATPAK_ENABLE_SDK"
+  IFS=',' read -ra SDK <<< "$FLATPAK_ENABLE_SDK_EXT"
 fi
 
 for i in "${SDK[@]}"; do
diff --git a/flatpak-warning.txt b/flatpak-warning.txt
index 2a0a98c..431de40 100644
--- a/flatpak-warning.txt
+++ b/flatpak-warning.txt
@@ -34,7 +34,7 @@ To get support for additional languages, you have to install SDK extensions, e.g
 
   $ flatpak install flathub org.freedesktop.Sdk.Extension.dotnet
   $ flatpak install flathub org.freedesktop.Sdk.Extension.golang
-  $ FLATPAK_ENABLE_SDK=dotnet,golang flatpak run com.visualstudio.code
+  $ FLATPAK_ENABLE_SDK_EXT=dotnet,golang flatpak run com.visualstudio.code
 
 You can use