diff --git a/internal/proxy/attribute/attribute.go b/internal/proxy/attribute/attribute.go
index a2ef1b0f3..f84f2733e 100644
--- a/internal/proxy/attribute/attribute.go
+++ b/internal/proxy/attribute/attribute.go
@@ -32,8 +32,8 @@ type Attribute struct {
 }
 
 func ComposeAttribute(attribute string, attrs map[string]interface{}) string {
-	if strings.Contains(attribute, "{") {
-		template := fasttemplate.New(attribute, "{", "}")
+	if strings.Contains(attribute, "${") {
+		template := fasttemplate.New(attribute, "${", "}")
 		return template.ExecuteString(attrs)
 	}
 	return attribute
diff --git a/test/e2e_test/testbench/testdata/configs/rules/rule.yaml b/test/e2e_test/testbench/testdata/configs/rules/rule.yaml
index 9766ff78c..a00c66a11 100644
--- a/test/e2e_test/testbench/testdata/configs/rules/rule.yaml
+++ b/test/e2e_test/testbench/testdata/configs/rules/rule.yaml
@@ -1,7 +1,7 @@
 rules:
   - backends:
       - name: entropy
-        target: "http://localhost:58420"
+        target: "http://localhost:56945"
         frontends:
           - name: ping
             path: "/api/ping"
@@ -181,7 +181,7 @@ rules:
                   action: authz_action
                   attributes:
                     resource:
-                      value: '{project}-{name}'
+                      value: ${project}-${name}
                       type: composite
                     project:
                       key: project
@@ -216,4 +216,4 @@ rules:
                   permissions:
                     - name: owner
                       namespace: entropy/firehose
-                      attribute: '{project}-{name}'
\ No newline at end of file
+                      attribute: ${project}-${name}
\ No newline at end of file
diff --git a/test/e2e_test/testbench/testdata/configs/rules/rule.yamltpl b/test/e2e_test/testbench/testdata/configs/rules/rule.yamltpl
index 8d5431260..c463f5d65 100644
--- a/test/e2e_test/testbench/testdata/configs/rules/rule.yamltpl
+++ b/test/e2e_test/testbench/testdata/configs/rules/rule.yamltpl
@@ -181,7 +181,7 @@ rules:
                   action: authz_action
                   attributes:
                     resource:
-                      value: '{project}-{name}'
+                      value: ${project}-${name}
                       type: composite
                     project:
                       key: project
@@ -216,4 +216,4 @@ rules:
                   permissions:
                     - name: owner
                       namespace: entropy/firehose
-                      attribute: '{project}-{name}'
\ No newline at end of file
+                      attribute: ${project}-${name}
\ No newline at end of file