diff --git a/plugins/samplemimo/audiocatsiso/audiocatsisocatworker.cpp b/plugins/samplemimo/audiocatsiso/audiocatsisocatworker.cpp
index 251fa8185..c086c88b4 100644
--- a/plugins/samplemimo/audiocatsiso/audiocatsisocatworker.cpp
+++ b/plugins/samplemimo/audiocatsiso/audiocatsisocatworker.cpp
@@ -21,7 +21,7 @@
 
 // Compatibility with all versions of Hamlib
 #ifndef HAMLIB_FILPATHLEN
-#define HAMLIB_FILPATHLEN FILEPATHLEN
+#define HAMLIB_FILPATHLEN FILPATHLEN
 #endif
 
 MESSAGE_CLASS_DEFINITION(AudioCATSISOCATWorker::MsgConfigureAudioCATSISOCATWorker, Message)