diff --git a/src/lib/gstrace/CMakeLists.txt b/src/lib/gstrace/CMakeLists.txt
index 4551e767c..803f369e9 100755
--- a/src/lib/gstrace/CMakeLists.txt
+++ b/src/lib/gstrace/CMakeLists.txt
@@ -1,6 +1,6 @@
 #This is the main CMAKE for build all components.
 execute_process(
-    COMMAND python ./script/trc_gen.py -s ./config/ -o ${CMAKE_CURRENT_SOURCE_DIR}/../../include/gstrace
+    COMMAND python3 ./script/trc_gen.py -s ./config/ -o ${CMAKE_CURRENT_SOURCE_DIR}/../../include/gstrace
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
diff --git a/src/lib/gstrace/Makefile b/src/lib/gstrace/Makefile
index 048612ba2..959f4c4be 100644
--- a/src/lib/gstrace/Makefile
+++ b/src/lib/gstrace/Makefile
@@ -45,7 +45,7 @@ all: $(HEADERFILE)
 install: all 
 
 $(HEADERFILE): $(CONFIGFILE)
-	python ./script/trc_gen.py -s ./config/ -o ./../../include/gstrace
+	python3 ./script/trc_gen.py -s ./config/ -o ./../../include/gstrace
 
 clean:
 	rm -f ./../../include/gstrace/*_gstrace.h
diff --git a/src/lib/gstrace/script/trc_gen.py b/src/lib/gstrace/script/trc_gen.py
index 7abebbdcc..572bdde61 100644
--- a/src/lib/gstrace/script/trc_gen.py
+++ b/src/lib/gstrace/script/trc_gen.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding=utf-8
 #
 # Copyright (c) 2020 Huawei Technologies Co.,Ltd.