diff --git a/hack/dockerfile/install/containerd.installer b/hack/dockerfile/install/containerd.installer
index df737a301a..678077417b 100755
--- a/hack/dockerfile/install/containerd.installer
+++ b/hack/dockerfile/install/containerd.installer
@@ -19,7 +19,7 @@ install_containerd() {
 		export EXTRA_LDFLAGS='-extldflags "-fno-PIC -static"'
 
 		# Reset build flags to nothing if we want a dynbinary
-		if [ "$1" == "dynamic" ]; then
+		if [ "$1" = "dynamic" ]; then
 			export BUILDTAGS=''
 			export EXTRA_FLAGS=''
 			export EXTRA_LDFLAGS=''