diff --git a/vscode-ng-language-service/syntaxes/expression.json b/vscode-ng-language-service/syntaxes/expression.json
index 9e3fe99acd6..dc61e1286fa 100644
--- a/vscode-ng-language-service/syntaxes/expression.json
+++ b/vscode-ng-language-service/syntaxes/expression.json
@@ -213,8 +213,8 @@
       ]
     },
     "functionCall": {
-      "begin": "(?=(\\??\\.\\s*)?([_$[:alpha:]][_$[:alnum:]]*)\\s*(<([^<>]|\\<[^<>]+\\>)+>\\s*)?\\()",
-      "end": "(?<=\\))(?!(\\??\\.\\s*)?([_$[:alpha:]][_$[:alnum:]]*)\\s*(<([^<>]|\\<[^<>]+\\>)+>\\s*)?\\()",
+      "begin": "(?=(\\??\\.\\s*)?([_$[:alpha:]][_$[:alnum:]]*)\\s*(<([^<>]|\\<[^<>]+\\>)+>\\s*)?(\\?\\.\\s*)?\\()",
+      "end": "(?<=\\))(?!(\\??\\.\\s*)?([_$[:alpha:]][_$[:alnum:]]*)\\s*(<([^<>]|\\<[^<>]+\\>)+>\\s*)?(\\?\\.\\s*)?\\()",
       "patterns": [
         {
           "name": "punctuation.accessor.ts",
diff --git a/vscode-ng-language-service/syntaxes/src/expression.ts b/vscode-ng-language-service/syntaxes/src/expression.ts
index 9a36ae11b5e..985db492a65 100644
--- a/vscode-ng-language-service/syntaxes/src/expression.ts
+++ b/vscode-ng-language-service/syntaxes/src/expression.ts
@@ -223,8 +223,9 @@ export const Expression: GrammarDefinition = {
     },
 
     functionCall: {
-      begin: /(?=(\??\.\s*)?([_$[:alpha:]][_$[:alnum:]]*)\s*(<([^<>]|\<[^<>]+\>)+>\s*)?\()/,
-      end: /(?<=\))(?!(\??\.\s*)?([_$[:alpha:]][_$[:alnum:]]*)\s*(<([^<>]|\<[^<>]+\>)+>\s*)?\()/,
+      begin:
+        /(?=(\??\.\s*)?([_$[:alpha:]][_$[:alnum:]]*)\s*(<([^<>]|\<[^<>]+\>)+>\s*)?(\?\.\s*)?\()/,
+      end: /(?<=\))(?!(\??\.\s*)?([_$[:alpha:]][_$[:alnum:]]*)\s*(<([^<>]|\<[^<>]+\>)+>\s*)?(\?\.\s*)?\()/,
       patterns: [
         {
           name: 'punctuation.accessor.ts',
diff --git a/vscode-ng-language-service/syntaxes/test/data/expression.html b/vscode-ng-language-service/syntaxes/test/data/expression.html
index fcf0b0057e1..1a38b1eea8c 100644
--- a/vscode-ng-language-service/syntaxes/test/data/expression.html
+++ b/vscode-ng-language-service/syntaxes/test/data/expression.html
@@ -37,6 +37,7 @@
 {{ call()?.conditional; }}
 {{ call()!.conditional }}
 {{ call()!.conditional; }}
+{{ call?.()}}
 
 <!-- Property read and method call: received -->
 {{ object.call() }}
@@ -47,6 +48,7 @@
 {{ object?.call()?.conditional; }}
 {{ object!.call()!.conditional }}
 {{ object!.call()!.conditional; }}
+{{ object.call?.()}}
 
 <!-- Method call with parameters -->
 {{ call(withParams) }}
@@ -116,4 +118,4 @@ as i }}
 {{ (a, b) =>
     a / b + 123
 }}
-{{ someSignal.update(prev => prev + 1) }}
+{{ someSignal.update(prev => prev + 1) }}
\ No newline at end of file
diff --git a/vscode-ng-language-service/syntaxes/test/data/expression.html.snap b/vscode-ng-language-service/syntaxes/test/data/expression.html.snap
index 600c42b0f42..1b8a25d2110 100644
--- a/vscode-ng-language-service/syntaxes/test/data/expression.html.snap
+++ b/vscode-ng-language-service/syntaxes/test/data/expression.html.snap
@@ -373,6 +373,15 @@
 #                      ^ template.ng expression.ng punctuation.terminator.statement.ts
 #                       ^ template.ng expression.ng
 #                        ^^ template.ng punctuation.definition.block.ts
+>{{ call?.()}}
+#^^ template.ng punctuation.definition.block.ts
+#  ^ template.ng expression.ng
+#   ^^^^ template.ng expression.ng entity.name.function.ts
+#       ^ template.ng expression.ng punctuation.accessor.ts
+#        ^ template.ng expression.ng punctuation.accessor.ts
+#         ^ template.ng expression.ng meta.brace.round.ts
+#          ^ template.ng expression.ng meta.brace.round.ts
+#           ^^ template.ng punctuation.definition.block.ts
 >
 ><!-- Property read and method call: received -->
 #^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ template.ng
@@ -478,6 +487,17 @@
 #                              ^ template.ng expression.ng punctuation.terminator.statement.ts
 #                               ^ template.ng expression.ng
 #                                ^^ template.ng punctuation.definition.block.ts
+>{{ object.call?.()}}
+#^^ template.ng punctuation.definition.block.ts
+#  ^ template.ng expression.ng
+#   ^^^^^^ template.ng expression.ng variable.other.object.ts
+#         ^ template.ng expression.ng punctuation.accessor.ts
+#          ^^^^ template.ng expression.ng entity.name.function.ts
+#              ^ template.ng expression.ng punctuation.accessor.ts
+#               ^ template.ng expression.ng punctuation.accessor.ts
+#                ^ template.ng expression.ng meta.brace.round.ts
+#                 ^ template.ng expression.ng meta.brace.round.ts
+#                  ^^ template.ng punctuation.definition.block.ts
 >
 ><!-- Method call with parameters -->
 #^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ template.ng
@@ -1531,5 +1551,4 @@
 #                                    ^ template.ng expression.ng constant.numeric.decimal.ts
 #                                     ^ template.ng expression.ng meta.brace.round.ts
 #                                      ^ template.ng expression.ng
-#                                       ^^ template.ng punctuation.definition.block.ts
->
\ No newline at end of file
+#                                       ^^ template.ng punctuation.definition.block.ts
\ No newline at end of file