diff --git a/scripts/build/builders/telink.py b/scripts/build/builders/telink.py
index 728d0dfb8338a9..8ec841285175f1 100644
--- a/scripts/build/builders/telink.py
+++ b/scripts/build/builders/telink.py
@@ -67,22 +67,26 @@ def __init__(self,
         self.app = app
         self.board = board
 
-    def generate(self):
-        if os.path.exists(self.output_dir):
-            return
-
+    def get_cmd_prefixes(self):
         if not self._runner.dry_run:
             # Zephyr base
             if 'TELINK_ZEPHYR_BASE' not in os.environ:
                 raise Exception("Telink builds require TELINK_ZEPHYR_BASE")
 
-        cmd = 'export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"\n'
+        cmd = 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr\n'
+        cmd += 'export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"\n'
 
         if 'TELINK_ZEPHYR_SDK_DIR' in os.environ:
             cmd += 'export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"\n'
 
+        return cmd
+
+    def generate(self):
+        if os.path.exists(self.output_dir):
+            return
+
+        cmd = self.get_cmd_prefixes()
         cmd += '''
-export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
 source "$ZEPHYR_BASE/zephyr-env.sh";
 west build --cmake-only -d {outdir} -b {board} {sourcedir}
         '''.format(
@@ -97,8 +101,9 @@ def generate(self):
     def _build(self):
         logging.info('Compiling Telink at %s', self.output_dir)
 
-        self._Execute(['ninja', '-C', self.output_dir],
-                      title='Building ' + self.identifier)
+        cmd = self.get_cmd_prefixes() + ("ninja -C %s" % self.output_dir)
+
+        self._Execute(['bash', '-c', cmd], title='Building ' + self.identifier)
 
     def build_outputs(self):
         return {
diff --git a/scripts/build/testdata/build_all_except_host.txt b/scripts/build/testdata/build_all_except_host.txt
index d6548b7e44ffa6..1fa18a6a313842 100644
--- a/scripts/build/testdata/build_all_except_host.txt
+++ b/scripts/build/testdata/build_all_except_host.txt
@@ -1163,23 +1163,23 @@ gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/exa
 gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/shell/qpg '--args=qpg_target_ic="qpg6105"' {out}/qpg-shell
 
 # Generating telink-tlsr9518adk80d-light
-bash -c 'export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
 export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
-export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
 source "$ZEPHYR_BASE/zephyr-env.sh";
 west build --cmake-only -d {out}/telink-tlsr9518adk80d-light -b tlsr9518adk80d {root}/examples/lighting-app/telink'
 
 # Generating telink-tlsr9518adk80d-light-switch
-bash -c 'export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
 export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
-export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
 source "$ZEPHYR_BASE/zephyr-env.sh";
 west build --cmake-only -d {out}/telink-tlsr9518adk80d-light-switch -b tlsr9518adk80d {root}/examples/light-switch-app/telink'
 
 # Generating telink-tlsr9518adk80d-ota-requestor
-bash -c 'export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
 export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
-export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
 source "$ZEPHYR_BASE/zephyr-env.sh";
 west build --cmake-only -d {out}/telink-tlsr9518adk80d-ota-requestor -b tlsr9518adk80d {root}/examples/ota-requestor-app/telink'
 
@@ -2402,13 +2402,22 @@ ninja -C {out}/qpg-persistent-storage
 ninja -C {out}/qpg-shell
 
 # Building telink-tlsr9518adk80d-light
-ninja -C {out}/telink-tlsr9518adk80d-light
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
+ninja -C {out}/telink-tlsr9518adk80d-light'
 
 # Building telink-tlsr9518adk80d-light-switch
-ninja -C {out}/telink-tlsr9518adk80d-light-switch
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
+ninja -C {out}/telink-tlsr9518adk80d-light-switch'
 
 # Building telink-tlsr9518adk80d-ota-requestor
-ninja -C {out}/telink-tlsr9518adk80d-ota-requestor
+bash -c 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
+export ZEPHYR_BASE="$TELINK_ZEPHYR_BASE"
+export ZEPHYR_SDK_INSTALL_DIR="$TELINK_ZEPHYR_SDK_DIR"
+ninja -C {out}/telink-tlsr9518adk80d-ota-requestor'
 
 # Building tizen-arm-all-clusters
 ninja -C {out}/tizen-arm-all-clusters