diff --git a/src/plugins/qbsprojectmanager/qbsbuildstep.cpp b/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
index fe8db1b9e2c..25772201ae9 100644
--- a/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
+++ b/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
@@ -634,8 +634,10 @@ void QbsBuildStepConfigWidget::updateState()
         command += ' ' + m_propertyCache.at(i).name + ':' + m_propertyCache.at(i).effectiveValue;
     }
 
-    if (m_step->isQmlDebuggingEnabled())
-        command += " Qt.declarative.qmlDebugging:true Qt.quick.qmlDebugging:true";
+    if (m_step->isQmlDebuggingEnabled()) {
+        command.append(' ').append(Constants::QBS_CONFIG_DECLARATIVE_DEBUG_KEY).append(":true ")
+                .append(Constants::QBS_CONFIG_QUICK_DEBUG_KEY).append(":true");
+    }
     m_ui->commandLineTextEdit->setPlainText(command);
 
     QString summary = tr("<b>Qbs:</b> %1").arg(command);
diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h b/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
index c0d8c2d9d30..8fe5f9170e1 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
@@ -67,8 +67,8 @@ const char QBS_VARIANT_RELEASE[] = "release";
 const char QBS_CONFIG_VARIANT_KEY[] = "qbs.defaultBuildVariant";
 const char QBS_CONFIG_PROFILE_KEY[] = "qbs.profile";
 const char QBS_INSTALL_ROOT_KEY[] = "qbs.installRoot";
-const char QBS_CONFIG_DECLARATIVE_DEBUG_KEY[] = "Qt.declarative.qmlDebugging";
-const char QBS_CONFIG_QUICK_DEBUG_KEY[] = "Qt.quick.qmlDebugging";
+const char QBS_CONFIG_DECLARATIVE_DEBUG_KEY[] = "modules.Qt.declarative.qmlDebugging";
+const char QBS_CONFIG_QUICK_DEBUG_KEY[] = "modules.Qt.quick.qmlDebugging";
 const char QBS_FORCE_PROBES_KEY[] = "qbspm.forceProbes";
 
 // Icons: