diff --git a/addons/web/static/lib/qweb/qweb-test-call.xml b/addons/web/static/lib/qweb/qweb-test-call.xml
index 783172c73bd..45a65eabce9 100644
--- a/addons/web/static/lib/qweb/qweb-test-call.xml
+++ b/addons/web/static/lib/qweb/qweb-test-call.xml
@@ -55,4 +55,9 @@
     <result id="scoped-parameter">
         ok
     </result>
+
+    <t t-name="basic-caller">
+        <t t-call="{{True and '_basic-callee' or 'other'}}"/>
+    </t>
+    <result id="basic-caller">ok</result>
 </templates>
diff --git a/addons/web/static/lib/qweb/qweb2.js b/addons/web/static/lib/qweb/qweb2.js
index 378c5eb6023..c4bb7128e9b 100644
--- a/addons/web/static/lib/qweb/qweb2.js
+++ b/addons/web/static/lib/qweb/qweb2.js
@@ -785,9 +785,9 @@ QWeb2.Element = (function() {
         },
         compile_action_call : function(value) {
             if (this.children.length === 0) {
-                return this.top("r.push(context.engine.tools.call(context, " + (this.engine.tools.js_escape(value)) + ", dict));");
+                return this.top("r.push(context.engine.tools.call(context, " + (this.string_interpolation(value)) + ", dict));");
             } else {
-                this.top("r.push(context.engine.tools.call(context, " + (this.engine.tools.js_escape(value)) + ", dict, null, function(context, dict) {");
+                this.top("r.push(context.engine.tools.call(context, " + (this.string_interpolation(value)) + ", dict, null, function(context, dict) {");
                 this.bottom("}));");
                 this.indent();
                 this.top("var r = [];");
diff --git a/odoo/addons/base/ir/ir_qweb/qweb.py b/odoo/addons/base/ir/ir_qweb/qweb.py
index b395dfb7698..14a0a54fbd9 100644
--- a/odoo/addons/base/ir/ir_qweb/qweb.py
+++ b/odoo/addons/base/ir/ir_qweb/qweb.py
@@ -1475,7 +1475,7 @@ class QWeb(object):
                         ctx=ast.Load()
                     ),
                     args=[
-                        ast.Str(str(tmpl)),
+                        self._compile_format(str(tmpl)),
                         ast.Name(id=name_options, ctx=ast.Load()),
                     ],
                     keywords=[], starargs=None, kwargs=None