diff --git a/src/main/resources/templates/itbp-a6.md b/src/main/resources/templates/itbp-a6.md
index ff2aaa4..bc7f9df 100644
--- a/src/main/resources/templates/itbp-a6.md
+++ b/src/main/resources/templates/itbp-a6.md
@@ -235,7 +235,7 @@ ${value}
<@heading controlTitle(ri.control) nestingLevel+4 />
-<#if ri.control.control_bpInformation_protectionApproach=='control_bpInformation_protectionApproach_base'>
+<#if (ri.control.control_bpInformation_protectionApproach!"")=='control_bpInformation_protectionApproach_base'>
{.missingimplementation}
#if>