diff --git a/pkgs/development/tools/build-managers/wafHook/setup-hook.sh b/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
index a9496b76b21..8d10cc6b4e9 100644
--- a/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
+++ b/pkgs/development/tools/build-managers/wafHook/setup-hook.sh
@@ -61,7 +61,7 @@ wafInstallPhase() {
     local flagsArray=(
         $wafFlags ${wafFlagsArray[@]}
         $installFlags ${installFlagsArray[@]}
-	${installTargets:-install}
+        ${installTargets:-install}
     )
 
     echoCmd 'install flags' "${flagsArray[@]}"