diff --git a/Makefile b/Makefile
index d650169..ec427a2 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ DISTDIR := dist
 SRCDIR := src
 TARGET := ButteredToast1
 
-SRCS := $(wildcard $(SRCDIR)/*.inf)
+SRCS := $(wildcard $(SRCDIR)/*.ni)
 I6S := $(patsubst %.ni,%.i6,$(SRCS))
 
 all: $(TARGET)
@@ -16,7 +16,7 @@ all: $(TARGET)
 $(TARGET): $(I6S)
 	$(INFORM6) -E2w~S~Dv8 $<
 
-%.i6: %.inf
+%.i6: %.ni
 	$(INFORM7) -format=Inform6/16d $<
 
 clean: