diff --git a/X_X12SA_FE-tools.json b/X_X12SA_FE-tools.json
index 4de47f9..afea26d 100644
--- a/X_X12SA_FE-tools.json
+++ b/X_X12SA_FE-tools.json
@@ -23,7 +23,7 @@
             "type": "caqtdm",
             "text": "Slit Center and Size",
             "panel": "motor4x.ui",
-            "macros": "P=X12SA-FE-SLDI1:,M1=CENTERX,M2=SIZEX,M3=CENTERY,M4=SIZEY",
+            "macros": "P=X12SA-FE-SL1:,M1=CENTERX,M2=SIZEX,M3=CENTERY,M4=SIZEY",
             "param": "-noMsg -attach -stylefile slses.qss"
 
         },