--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -1526,17 +1526,22 @@ static void DumpHelp() {
   // of the bug, because we ship a component.reg file, it works correctly.
   DumpArbitraryHelp();
 }
 
 static inline void DumpVersion() {
   if (gAppData->vendor) {
     printf("%s ", (const char*)gAppData->vendor);
   }
-  printf("%s %s", (const char*)gAppData->name, (const char*)gAppData->version);
+  printf("%s ", (const char*)gAppData->name);
+
+  // Use the displayed version
+  // For example, for beta, we would display 42.0b2 instead of 42.0
+  printf("%s", MOZ_APP_VERSION_DISPLAY);
+
   if (gAppData->copyright) {
     printf(", %s", (const char*)gAppData->copyright);
   }
   printf("\n");
 }
 
 #if defined(MOZ_WIDGET_GTK)
 static RemoteResult ParseRemoteCommandLine(nsCString& program,