diff --git a/dev-embedded/sdcc/sdcc-4.5.0.recipe b/dev-embedded/sdcc/sdcc-4.5.0.recipe
index 829b9f244..4c3ebd02e 100644
--- a/dev-embedded/sdcc/sdcc-4.5.0.recipe
+++ b/dev-embedded/sdcc/sdcc-4.5.0.recipe
@@ -140,7 +140,7 @@ BUILD()
 	mkdir -p build
 	pushd build
 
-	export CFLAGS="-DO_ASYNC=0 -fPIC"
+	export CFLAGS="-O2 -g -DO_ASYNC=0 -fPIC"
 	export LDFLAGS="-lnetwork"
 
 	runConfigure ../configure \