diff --git a/mkputty.mpw b/mkputty.mpw
index 390b0124..c8e21295 100644
--- a/mkputty.mpw
+++ b/mkputty.mpw
@@ -13,17 +13,16 @@ Echo "# `Date -t` ----- Executing build commands."
 "{program}".makeout
 Delete "{program}".makeout
 Echo "# `Date -t` ----- Done."
-Set type "`files -i -n -x t "{program}"  OR "{type}" =~ /	 MPST/ 	# application or tool
-	Echo -n t; Quote -n "{program}"; Echo -n " "
-Else If "{type}" =~ /	 DFIL/						# desk accessory in Suitcase
-	Echo -n t
+Set type "`files -i -n -x t "{program}" ³ Dev:Null || Set Status 0`"
+Set CaseSensitive True #filetype check for DA must be case sensitive
+If "{type}" =~ /Å APPL/ OR "{type}" =~ /Å MPST/ 	# application or tool
+	Echo -n ¶t; Quote -n "{program}"; Echo -n " "
+Else If "{type}" =~ /Å DFIL/						# desk accessory in Suitcase
+	Echo -n ¶t
 	Quote -n "Font/DA Mover" "{SystemFolder}"System "{program}";
 	Echo -n "  # Install DA"
-Else If "{type}" =~ /	 dfil/						# desk accessory (System 7)
-	Echo -n t
+Else If "{type}" =~ /Å dfil/						# desk accessory (System 7)
+	Echo -n ¶t
 	Quote -n Duplicate -y "{program}" "{SystemFolder}Apple Menu Items";
 	Echo -n "  # Install DA into Apple Menu"
 End
-
-
-