diff --git a/lcl/interfaces/carbon/objc/clean.sh b/lcl/interfaces/carbon/objc/clean.sh
index 12c82fd3a1..534a794510 100755
--- a/lcl/interfaces/carbon/objc/clean.sh
+++ b/lcl/interfaces/carbon/objc/clean.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 rm *.o
 rm *.ppu
-rm *.bak
\ No newline at end of file
+rm *.bak
diff --git a/lcl/interfaces/carbon/pascocoa/build/buildappkit.sh b/lcl/interfaces/carbon/pascocoa/build/buildappkit.sh
index 7e4522c2cb..4188c8d49b 100755
--- a/lcl/interfaces/carbon/pascocoa/build/buildappkit.sh
+++ b/lcl/interfaces/carbon/pascocoa/build/buildappkit.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 cd ..
 cd parser
 DEFAULT_INI="default.ini"
diff --git a/lcl/interfaces/carbon/pascocoa/build/buildfoundation.sh b/lcl/interfaces/carbon/pascocoa/build/buildfoundation.sh
index c5c66c038a..6c0bb7c418 100755
--- a/lcl/interfaces/carbon/pascocoa/build/buildfoundation.sh
+++ b/lcl/interfaces/carbon/pascocoa/build/buildfoundation.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 cd ..
 cd parser
 DEFAULT_INI="default.ini"