diff --git a/bin/build-esp32.sh b/bin/build-esp32.sh
index ad6a9634..1f6a7aed 100755
--- a/bin/build-esp32.sh
+++ b/bin/build-esp32.sh
@@ -37,6 +37,6 @@ pio run --environment tbeam -t buildfs
 cp .pio/build/tbeam/spiffs.bin $OUTDIR/littlefs-$VERSION.bin
 cp images/system-info.bin $OUTDIR/system-info.bin
 
-cp .pio/build/$1/partitions.bin $OUTDIR/$1-partitions.bin
+cp .pio/build/$1/partitions.bin $OUTDIR/partitions.bin
 cp bin/device-install.* $OUTDIR
 cp bin/device-update.* $OUTDIR