diff --git a/tests/install-plugins.bats b/tests/install-plugins.bats
index b035dac..0f10eb4 100644
--- a/tests/install-plugins.bats
+++ b/tests/install-plugins.bats
@@ -8,7 +8,7 @@
 
 @test "build image" {
   cd $BATS_TEST_DIRNAME/..
-  docker build -t $SUT_IMAGE .
+  docker_build -t $SUT_IMAGE .
 }
 
 @test "plugins are installed with plugins.sh" {