diff --git a/src/globals.h b/src/globals.h
index 5bdbad6..379a532 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1699,7 +1699,7 @@
 EXTERN char e_toomanyarg[]	INIT(= N_("E118: Too many arguments for function: %s"));
 EXTERN char e_toofewarg[]	INIT(= N_("E119: Not enough arguments for function: %s"));
 EXTERN char e_func_deleted[]	INIT(= N_("E933: Function was deleted: %s"));
-EXTERN char e_dictkey[]		INIT(= N_("E716: Key not present in Dictionary: %s"));
+EXTERN char e_dictkey[]		INIT(= N_("E716: Key not present in Dictionary: \"%s\""));
 EXTERN char e_listreq[]		INIT(= N_("E714: List required"));
 EXTERN char e_listblobreq[]	INIT(= N_("E897: List or Blob required"));
 EXTERN char e_list_end[]	INIT(= N_("E697: Missing end of List ']': %s"));
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 568c3bf..8f691e6 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1917,6 +1917,7 @@
   CheckDefExecFailure(['var x: dict<string> = #{a: "x", b: 134}'], 'E1012:', 1)
 
   CheckDefFailure(['var x = ({'], 'E723:', 2)
+  CheckDefExecFailure(['{}[getftype("")]'], 'E716: Key not present in Dictionary: ""', 1)
 enddef
 
 def Test_expr7_dict_vim9script()
diff --git a/src/version.c b/src/version.c
index 52d8683..0da7888 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1924,
+/**/
     1923,
 /**/
     1922,
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 09eb6c2..9c46651 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -2607,6 +2607,8 @@
 		    tv = STACK_TV_BOT(-1);
 		    // no need to check for VAR_STRING, 2STRING will check.
 		    key = tv->vval.v_string;
+		    if (key == NULL)
+			key = (char_u *)"";
 
 		    if ((di = dict_find(dict, key, -1)) == NULL)
 		    {