diff --git a/src/userfunc.c b/src/userfunc.c
index 6c57769..1b6eff8 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -110,7 +110,7 @@
 
 	if (VIM_ISWHITE(*p) && *skipwhite(p) == ':')
 	{
-	    semsg(_("E1059: No white space allowed before colon: %s"),
+	    semsg(_(e_no_white_space_allowed_before_colon_str),
 					    arg_copy == NULL ? arg : arg_copy);
 	    p = skipwhite(p);
 	}
@@ -128,7 +128,7 @@
 	}
 	else if (*skipwhite(p) != '=')
 	{
-	    semsg(_("E1077: Missing argument type for %s"),
+	    semsg(_(e_missing_argument_type_for_str),
 					    arg_copy == NULL ? arg : arg_copy);
 	    return arg;
 	}
@@ -212,7 +212,7 @@
 		// ...name: list<type>
 		if (!ASCII_ISALPHA(*p))
 		{
-		    emsg(_("E1055: Missing name after ..."));
+		    emsg(_(e_missing_name_after_dots));
 		    break;
 		}
 
@@ -1176,7 +1176,7 @@
     ufunc_T *fp;
 
     if (ufunc == NULL)
-	semsg(_("E1102: lambda function not found: %s"), lambda);
+	semsg(_(e_lambda_function_not_found_str), lambda);
     else
     {
 	// TODO: handle ! to overwrite
@@ -2887,7 +2887,7 @@
 	    }
 	    else
 	    {
-		semsg(_("E1056: expected a type: %s"), ret_type);
+		semsg(_(e_expected_type_str), ret_type);
 		ret_type = NULL;
 	    }
 	}
@@ -3018,7 +3018,7 @@
 	if (theline == NULL)
 	{
 	    if (eap->cmdidx == CMD_def)
-		emsg(_("E1057: Missing :enddef"));
+		emsg(_(e_missing_enddef));
 	    else
 		emsg(_("E126: Missing :endfunction"));
 	    goto erret;
@@ -3119,7 +3119,7 @@
 		if (*skipwhite(p) == '(')
 		{
 		    if (nesting == MAX_FUNC_NESTING - 1)
-			emsg(_("E1058: function nesting too deep"));
+			emsg(_(e_function_nesting_too_deep));
 		    else
 		    {
 			++nesting;
@@ -3785,7 +3785,7 @@
 	}
 	if (fp->uf_flags & FC_VIM9)
 	{
-	    semsg(_("E1084: Cannot delete Vim9 script function %s"), eap->arg);
+	    semsg(_(e_cannot_delete_vim9_script_function_str), eap->arg);
 	    return;
 	}