diff --git a/tools/linux_macos/build_apk.sh b/tools/linux_macos/build_apk.sh
index 7ca77118..521de0ea 100644
--- a/tools/linux_macos/build_apk.sh
+++ b/tools/linux_macos/build_apk.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # move out from tools dir
-cd ../../firka
+cd ../../firka || exit
 
 # refresh packages
 flutter clean
diff --git a/tools/linux_macos/build_ipa.sh b/tools/linux_macos/build_ipa.sh
index f3207a7c..d79f59f4 100644
--- a/tools/linux_macos/build_ipa.sh
+++ b/tools/linux_macos/build_ipa.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # move out from tools dir
-cd ../../firka
+cd ../../firka || exit
 
 # refresh packages
 flutter clean