diff --git a/scripts/xtensa-build-zephyr.py b/scripts/xtensa-build-zephyr.py
index 5b92f0a4e..6b347aedd 100755
--- a/scripts/xtensa-build-zephyr.py
+++ b/scripts/xtensa-build-zephyr.py
@@ -47,6 +47,12 @@ platform_list = [
 		"XTENSA_CORE": "X6H3CNL_2017_8",
 		"XTENSA_TOOLS_VERSION": f"RG-2017.8{xtensa_tools_version_postfix}"
 	},
+	{
+		"name": "jsl",
+		"PLAT_CONFIG": "intel_adsp_cavs20_jsl",
+		"XTENSA_CORE": "X6H3CNL_2017_8",
+		"XTENSA_TOOLS_VERSION": f"RG-2017.8{xtensa_tools_version_postfix}"
+	},
 	{
 		"name": "tgl",
 		"PLAT_CONFIG": "intel_adsp_cavs25",
diff --git a/scripts/xtensa-build-zephyr.sh b/scripts/xtensa-build-zephyr.sh
index dcebe349c..f024a3856 100755
--- a/scripts/xtensa-build-zephyr.sh
+++ b/scripts/xtensa-build-zephyr.sh
@@ -11,7 +11,7 @@ SOF_TOP=$(cd "$(dirname "$0")" && cd .. && pwd)
 DEFAULT_PLATFORMS=()
 
 # Intel
-DEFAULT_PLATFORMS+=(apl cnl icl tgl-h tgl)
+DEFAULT_PLATFORMS+=(apl cnl icl jsl tgl-h tgl)
 
 # NXP
 DEFAULT_PLATFORMS+=(imx8 imx8x imx8m)
@@ -200,8 +200,11 @@ build_platforms()
 				XTENSA_CORE="X6H3CNL_2017_8"
 				XTENSA_TOOLS_VERSION="RG-2017.8-linux"
 				;;
-			icl)
+			icl|jsl)
 				PLAT_CONFIG='intel_adsp_cavs20'
+				if test "$platform" = jsl ; then
+				    PLAT_CONFIG="intel_adsp_cavs20_jsl"
+                                fi
 				XTENSA_CORE="X6H3CNL_2017_8"
 				XTENSA_TOOLS_VERSION="RG-2017.8-linux"
 				;;