diff --git a/lcl/interfaces/cocoa/cocoaconst.pas b/lcl/interfaces/cocoa/cocoaconst.pas
index 1a86ff84ec..6052f6b717 100644
--- a/lcl/interfaces/cocoa/cocoaconst.pas
+++ b/lcl/interfaces/cocoa/cocoaconst.pas
@@ -38,6 +38,7 @@ var
   NSSTR_LINE_SEPARATOR: NSString;
   NSSTR_PARAGRAPH_SEPARATOR: NSString;
 
+  NSSTR_KEY_ENTER: NSString;
   NSSTR_KEY_ESC: NSString;
   NSSTR_KEY_EQUALS: NSString;
   NSSTR_KEY_PLUS: NSString;
@@ -62,6 +63,7 @@ initialization
   NSSTR_LINE_SEPARATOR:= NSString.alloc.initWithUTF8String(#$E2#$80#$A8);
   NSSTR_PARAGRAPH_SEPARATOR:= NSString.alloc.initWithUTF8String(#$E2#$80#$A9);
 
+  NSSTR_KEY_ENTER:= NSSTR(#13);
   NSSTR_KEY_ESC:= NSSTR(#27);
   NSSTR_KEY_EQUALS:= NSSTR('=');
   NSSTR_KEY_PLUS:= NSSTR('+');
diff --git a/lcl/interfaces/cocoa/cocoalclintf.inc b/lcl/interfaces/cocoa/cocoalclintf.inc
index ca4353bcda..d01a0894a0 100644
--- a/lcl/interfaces/cocoa/cocoalclintf.inc
+++ b/lcl/interfaces/cocoa/cocoalclintf.inc
@@ -290,7 +290,7 @@ begin
           aButton.setKeyEquivalentModifierMask(0);
 
           if I = DefaultIndex then
-            aButton.setKeyEquivalent(NSSTR_KEY_ESC)
+            aButton.setKeyEquivalent(NSSTR_KEY_ENTER)
           else if I = 0 then
             // By default, the first button is the default button. If in our
             // case this should not be the case, remove the default status