diff --git a/core/Makefile b/core/Makefile
index 907943e1fe..9f095507fd 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -434,9 +434,9 @@ all_event_log_tags_src := \
 pdk_fusion_log_tags_file := $(patsubst $(PRODUCT_OUT)/%,$(_pdk_fusion_intermediates)/%,$(filter $(event_log_tags_file),$(ALL_PDK_FUSION_FILES)))
 
 $(all_event_log_tags_file): PRIVATE_SRC_FILES := $(all_event_log_tags_src) $(pdk_fusion_log_tags_file)
-$(all_event_log_tags_file): $(all_event_log_tags_src) $(pdk_fusion_log_tags_file)
+$(all_event_log_tags_file): $(all_event_log_tags_src) $(pdk_fusion_log_tags_file) $(MERGETAGS) build/tools/event_log_tags.py
 	$(hide) mkdir -p $(dir $@)
-	$(hide) build/tools/merge-event-log-tags.py -o $@ $(PRIVATE_SRC_FILES)
+	$(hide) $(MERGETAGS) -o $@ $(PRIVATE_SRC_FILES)
 
 # Include tags from all packages included in this product, plus all
 # tags that are part of the system (ie, not in a vendor/ or device/
@@ -450,9 +450,9 @@ event_log_tags_src := \
 
 $(event_log_tags_file): PRIVATE_SRC_FILES := $(event_log_tags_src) $(pdk_fusion_log_tags_file)
 $(event_log_tags_file): PRIVATE_MERGED_FILE := $(all_event_log_tags_file)
-$(event_log_tags_file): $(event_log_tags_src) $(all_event_log_tags_file) $(pdk_fusion_log_tags_file)
+$(event_log_tags_file): $(event_log_tags_src) $(all_event_log_tags_file) $(pdk_fusion_log_tags_file) $(MERGETAGS) build/tools/event_log_tags.py
 	$(hide) mkdir -p $(dir $@)
-	$(hide) build/tools/merge-event-log-tags.py -o $@ -m $(PRIVATE_MERGED_FILE) $(PRIVATE_SRC_FILES)
+	$(hide) $(MERGETAGS) -o $@ -m $(PRIVATE_MERGED_FILE) $(PRIVATE_SRC_FILES)
 
 event-log-tags: $(event_log_tags_file)
 
diff --git a/core/config.mk b/core/config.mk
index e686733672..d2a593d368 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -560,6 +560,7 @@ DEFAULT_JACK_EXTRA_ARGS += --verbose error
 
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
+MERGETAGS := build/tools/merge-event-log-tags.py
 APPEND2SIMG := $(HOST_OUT_EXECUTABLES)/append2simg
 VERITY_SIGNER := $(HOST_OUT_EXECUTABLES)/verity_signer
 BUILD_VERITY_TREE := $(HOST_OUT_EXECUTABLES)/build_verity_tree
diff --git a/core/definitions.mk b/core/definitions.mk
index 5a91045a17..ce71f453a0 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1082,7 +1082,7 @@ endef
 define transform-logtags-to-java
 @mkdir -p $(dir $@)
 @echo "logtags: $@ <= $<"
-$(hide) $(JAVATAGS) -o $@ $^
+$(hide) $(JAVATAGS) -o $@ $< $(PRIVATE_MERGED_TAG)
 endef
 
 
diff --git a/core/java.mk b/core/java.mk
index 1a3fba6e03..fcfb0dd1b9 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -354,7 +354,8 @@ ifneq ($(strip $(logtags_sources)),)
 logtags_java_sources := $(patsubst %.logtags,%.java,$(addprefix $(intermediates.COMMON)/src/, $(logtags_sources)))
 logtags_sources := $(addprefix $(LOCAL_PATH)/, $(logtags_sources))
 
-$(logtags_java_sources): $(intermediates.COMMON)/src/%.java: $(LOCAL_PATH)/%.logtags $(TARGET_OUT_COMMON_INTERMEDIATES)/all-event-log-tags.txt
+$(logtags_java_sources): PRIVATE_MERGED_TAG := $(TARGET_OUT_COMMON_INTERMEDIATES)/all-event-log-tags.txt
+$(logtags_java_sources): $(intermediates.COMMON)/src/%.java: $(LOCAL_PATH)/%.logtags $(TARGET_OUT_COMMON_INTERMEDIATES)/all-event-log-tags.txt $(JAVATAGS) build/tools/event_log_tags.py
 	$(transform-logtags-to-java)
 
 else