diff --git a/run b/run
index 95e285a..9e10e10 100755
--- a/run
+++ b/run
@@ -36,7 +36,7 @@ git mv stage1/config.zig.in src
 # removing the wasi-based stage1 just to be sure
 git rm stage1/zig1.wasm.zst
 
-sed -i '/have_stage1/ s/true/false/' src/config.zig.in
+sed -i '/have_stage1/ s/false/true/' src/config.zig.in
 
 git checkout $REMOVE_FSTAGE1~1 build.zig CMakeLists.txt