--- gcalctool/calctool.c.make-subtract-work	
+++ gcalctool/calctool.c	
@@ -367,7 +367,7 @@
 },
 {
     /* Note to translators: this is a minus sign (-) */
-    N_("\342\210\222"),
+    N_("-"),
     N_("Subtract"),
     NULL,
     { 0,         0,               0,      0 },
