diff --git a/platforms/nuttx/CMakeLists.txt b/platforms/nuttx/CMakeLists.txt
index 43e92e9514..0b324b45fa 100644
--- a/platforms/nuttx/CMakeLists.txt
+++ b/platforms/nuttx/CMakeLists.txt
@@ -176,8 +176,8 @@ add_custom_target(weak_symbols
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Debug/gdbinit.in ${PX4_BINARY_DIR}/.gdbinit)
 
 # vscode launch.json
-#  FIXME: hack to skip if px4_io-v2 because it's a build within a build
-if(NOT PX4_BUILD MATCHES "px4_io-v2")
+#  FIXME: hack to skip if px4_io-v2 because it's a built within another build (eg px4_fmu-v5)
+if(NOT PX4_BOARD MATCHES "px4_io-v2")
 	if(CONFIG_ARCH_CHIP_MK66FN2M0VMD18)
 		set(DEBUG_DEVICE "MK66FN2M0xxx18")
 		set(DEBUG_SVD_FILE "MK66F18.svd")