diff --git a/testing/btest/plugins/bifs-and-scripts-install.sh b/testing/btest/plugins/bifs-and-scripts-install.sh
index 60c754f8ff..5498e515ca 100644
--- a/testing/btest/plugins/bifs-and-scripts-install.sh
+++ b/testing/btest/plugins/bifs-and-scripts-install.sh
@@ -9,7 +9,7 @@
 
 mkdir -p scripts/demo/foo/base/
 
-cat >scripts/__load__.bro <<EOF
+cat >scripts/__load__.zeek <<EOF
 @load ./demo/foo/base/at-startup.bro
 EOF
 
diff --git a/testing/btest/plugins/bifs-and-scripts.sh b/testing/btest/plugins/bifs-and-scripts.sh
index 25f2dbeb5e..d27a33224f 100644
--- a/testing/btest/plugins/bifs-and-scripts.sh
+++ b/testing/btest/plugins/bifs-and-scripts.sh
@@ -25,7 +25,7 @@
 
 mkdir -p scripts/demo/foo/base/
 
-cat >scripts/__load__.bro <<EOF
+cat >scripts/__load__.zeek <<EOF
 @load ./demo/foo/base/at-startup.bro
 EOF
 
diff --git a/testing/btest/plugins/protocol-plugin/scripts/__load__.bro b/testing/btest/plugins/protocol-plugin/scripts/__load__.zeek
similarity index 100%
rename from testing/btest/plugins/protocol-plugin/scripts/__load__.bro
rename to testing/btest/plugins/protocol-plugin/scripts/__load__.zeek