diff --git a/lib/config/applyrule.cpp b/lib/config/applyrule.cpp
index 86aed4a70..46fc356f7 100644
--- a/lib/config/applyrule.cpp
+++ b/lib/config/applyrule.cpp
@@ -37,11 +37,6 @@ String ApplyRule::GetPackage() const
 	return m_Package;
 }
 
-String ApplyRule::GetFVVar() const
-{
-	return m_FVVar;
-}
-
 Expression::Ptr ApplyRule::GetFTerm() const
 {
 	return m_FTerm;
diff --git a/lib/config/applyrule.hpp b/lib/config/applyrule.hpp
index 2e3f1d3f8..3db14f10c 100644
--- a/lib/config/applyrule.hpp
+++ b/lib/config/applyrule.hpp
@@ -61,7 +61,11 @@ public:
 		return m_FKVar;
 	}
 
-	String GetFVVar() const;
+	inline const String& GetFVVar() const noexcept
+	{
+		return m_FVVar;
+	}
+
 	Expression::Ptr GetFTerm() const;
 	bool GetIgnoreOnError() const;
 	DebugInfo GetDebugInfo() const;