diff --git a/firmware/masterchip/Makefile b/firmware/masterchip/Makefile
index 7bcd805..390b004 100644
--- a/firmware/masterchip/Makefile
+++ b/firmware/masterchip/Makefile
@@ -58,10 +58,10 @@ disasm:	firmware.bin
 	avr-objdump -d firmware.bin >disasm
 
 functionsize: disasm
-	python avrbuild/functionsize.py 
+	python ../avrbuild/functionsize.py 
 
 countregs: disasm
-	python avrbuild/countregs.py 
+	python ../avrbuild/countregs.py 
 
 # for depends:
 -include $(OBJECTS:.o=.d)
diff --git a/firmware/slavechip/Makefile b/firmware/slavechip/Makefile
index fd75855..f3fa900 100644
--- a/firmware/slavechip/Makefile
+++ b/firmware/slavechip/Makefile
@@ -57,10 +57,10 @@ disasm:	firmware.bin
 	avr-objdump -d firmware.bin >disasm
 
 functionsize: disasm
-	python avrbuild/functionsize.py 
+	python ../avrbuild/functionsize.py 
 
 countregs: disasm
-	python avrbuild/countregs.py 
+	python ../avrbuild/countregs.py 
 
 # for depends:
 -include $(OBJECTS:.o=.d)