diff --git a/scripts/poky-qemu b/scripts/poky-qemu
index 8710e05dd6..e3693fe16d 100755
--- a/scripts/poky-qemu
+++ b/scripts/poky-qemu
@@ -41,5 +41,4 @@ if [ "x$MACHINE" = "x" ]; then
 fi
 
 INTERNAL_SCRIPT=`which poky-qemu-internal`
-source $INTERNAL_SCRIPT
-
+. $INTERNAL_SCRIPT
diff --git a/scripts/runqemu b/scripts/runqemu
index 7ed080e20a..d3643a626e 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -93,9 +93,8 @@ else
 fi
 
 INTERNAL_SCRIPT=`which poky-qemu-internal`
-source $INTERNAL_SCRIPT
+. $INTERNAL_SCRIPT
 
 if [ -x "$DISTCCD" ]; then
     killall distccd
 fi
-