diff --git a/Makefile b/Makefile
index 77fb755e0..bf8c498ae 100644
--- a/Makefile
+++ b/Makefile
@@ -156,7 +156,7 @@ ifeq ($(DINFO),1)
 override CFLAGS += -g
 endif
 
-$(C_BUILDDIR)/%.o : $(C_SUBDIR)/%.c $$(c_dep) $(AUTO_GEN_TARGETS)
+$(C_BUILDDIR)/%.o : $(C_SUBDIR)/%.c $$(c_dep)
 	@$(CPP) $(CPPFLAGS) $< -o $(C_BUILDDIR)/$*.i
 	@$(PREPROC) $(C_BUILDDIR)/$*.i charmap.txt | $(CC1) $(CFLAGS) -o $(C_BUILDDIR)/$*.s
 	@echo -e ".text\n\t.align\t2, 0\n" >> $(C_BUILDDIR)/$*.s
diff --git a/json_data_rules.mk b/json_data_rules.mk
index 5a5f2eeb3..2a3d2f17d 100755
--- a/json_data_rules.mk
+++ b/json_data_rules.mk
@@ -4,3 +4,5 @@
 AUTO_GEN_TARGETS += $(DATA_SRC_SUBDIR)/wild_encounters.h
 $(DATA_SRC_SUBDIR)/wild_encounters.h: $(DATA_SRC_SUBDIR)/wild_encounters.json $(DATA_SRC_SUBDIR)/wild_encounters.json.txt
 	$(JSONPROC) $^ $@
+
+$(C_BUILDDIR)/wild_encounters.o: c_dep += $(DATA_SRC_SUBDIR)/wild_encounters.h