diff --git a/motorApp/MclennanSrc/drvPM304.h b/motorApp/MclennanSrc/drvPM304.h
index 99276063..a264fec3 100644
--- a/motorApp/MclennanSrc/drvPM304.h
+++ b/motorApp/MclennanSrc/drvPM304.h
@@ -31,7 +31,7 @@
 #define MODEL_PM600 1
 
 #define OUTPUT_TERMINATOR "\r"
-#define INPUT_TERMINATOR  (char *) "\n"
+#define INPUT_TERMINATOR  "\n"
 
 struct PM304controller
 {