diff --git a/headers/os/support/String.h b/headers/os/support/String.h
index 05bfaad05a..f376afb1a7 100644
--- a/headers/os/support/String.h
+++ b/headers/os/support/String.h
@@ -28,6 +28,7 @@ public:
 			int32			CountChars() const;
 			int32			CountBytes(int32 fromCharOffset,
 								int32 charCount) const;
+			bool			IsEmpty() const;
 
 			// Assignment
 			BString&		operator=(const BString& string);
@@ -397,6 +398,13 @@ BString::Length() const
 }
 
 
+inline bool
+BString::IsEmpty() const
+{
+	return !Length();
+}
+
+
 inline const char*
 BString::String() const
 {