diff --git a/platformio.ini b/platformio.ini
index 6fabde841..e0e7bed85 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -83,7 +83,7 @@ board_build.partitions = esp32_partition_4M.csv
 build_flags = ${common.build_flags} -Os
 build_unflags = ${common.unbuild_flags}
 
-[env:esp32_4M+]
+[env:esp32_4Mplus]
 extends = espressi32_base
 extra_scripts =
   pre:scripts/build_interface.py