diff --git a/json-path/src/main/java/com/jayway/jsonpath/internal/path/PathCompiler.java b/json-path/src/main/java/com/jayway/jsonpath/internal/path/PathCompiler.java
index 27b6e063..a910374f 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/internal/path/PathCompiler.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/internal/path/PathCompiler.java
@@ -353,6 +353,7 @@ else if (isPathContext(c)) {
                     if (0 > groupParen || priorChar == '(') {
                         parameter.append(c);
                     }
+                    if(groupParen > 0) break;
                 case COMMA:
                     // In this state we've reach the end of a function parameter and we can pass along the parameter string
                     // to the parser
diff --git a/json-path/src/test/java/com/jayway/jsonpath/PathCompilerTest.java b/json-path/src/test/java/com/jayway/jsonpath/PathCompilerTest.java
index ef220619..419b9bc1 100644
--- a/json-path/src/test/java/com/jayway/jsonpath/PathCompilerTest.java
+++ b/json-path/src/test/java/com/jayway/jsonpath/PathCompilerTest.java
@@ -323,4 +323,11 @@ public void accept_only_a_single_comma_between_indexes() {
     public void property_must_be_separated_by_commas() {
         compile("$['aaa'}'bbb']");
     }
+
+    @Test
+    public void function_parameter_with_closing_paren() {
+        String json = "{}";
+        String result = JsonPath.read(json, "$.concat(\"Bob\", $.concat(\" Joe\", \" Alex\"))");
+        assertThat(result).isEqualTo("Bob Joe Alex");
+    }
 }