diff --git a/main.sh b/main.sh
index 0511fba..83fbb4f 100755
--- a/main.sh
+++ b/main.sh
@@ -2,9 +2,8 @@
 
 set -e
 
-. ./pika-build-config.sh
+source ./pika-build-config.sh
 
-echo "$PIKA_BUILD_ARCH"
 echo "$PIKA_BUILD_ARCH" > pika-build-arch
 
 VERSION="0.3.2.10"
diff --git a/pika-build-config/i386.sh b/pika-build-config/i386.sh
index 8d23a03..7629d66 100755
--- a/pika-build-config/i386.sh
+++ b/pika-build-config/i386.sh
@@ -1,3 +1,4 @@
+#! /bin/bash
 export PIKA_BUILD_ARCH="i386"
 export DEBIAN_FRONTEND="noninteractive"
 export DEB_BUILD_OPTIONS="nocheck notest terse"