diff --git a/src/Makefile b/src/Makefile
index b980026b..bcaa4b84 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,6 +1,6 @@
 VARIANT := simple
 
-all: ../build/firmware/armv7-none-eabihf/release/szl ../build/firmware/armv7-none-eabihf/release/runtime
+all: ../build/firmware/armv7-none-eabihf/debug/szl ../build/firmware/armv7-none-eabihf/release/runtime
 
 .PHONY: all
 
@@ -13,5 +13,5 @@ all: ../build/firmware/armv7-none-eabihf/release/szl ../build/firmware/armv7-non
 	XBUILD_SYSROOT_PATH=`pwd`/../build/sysroot cargo xbuild --release -p runtime --target-dir ../build/firmware
 	llvm-objcopy -O binary ../build/firmware/armv7-none-eabihf/release/runtime ../build/runtime.bin
 
-../build/firmware/armv7-none-eabihf/release/szl: .cargo/* armv7-none-eabihf.json Cargo.lock Cargo.toml szl/* szl/src/*
+../build/firmware/armv7-none-eabihf/debug/szl: .cargo/* armv7-none-eabihf.json Cargo.lock Cargo.toml szl/* szl/src/*
 	XBUILD_SYSROOT_PATH=`pwd`/../build/sysroot cargo xbuild -p szl --target-dir ../build/firmware