diff --git a/Makefile b/Makefile
index 3c2a818c..edf2da45 100644
--- a/Makefile
+++ b/Makefile
@@ -177,6 +177,7 @@ $(shell mkdir -p $(BUILD_DIR)/linker_scripts/$(VERSION) $(BUILD_DIR)/linker_scri
 
 
 # Directory flags
+build/src/libultra/io/pidma.o: OPTFLAGS := -O1 -g0
 build/src/libultra/2C700.o: OPTFLAGS := -O1 -g0
 build/src/libultra/2BDF0.o: OPTFLAGS := -O1 -g0