diff --git a/src/plugins/projectexplorer/projectexplorer.cpp b/src/plugins/projectexplorer/projectexplorer.cpp
index 66b04ba4ef6..c4a15ec5266 100644
--- a/src/plugins/projectexplorer/projectexplorer.cpp
+++ b/src/plugins/projectexplorer/projectexplorer.cpp
@@ -1568,6 +1568,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
         const RunConfiguration * const runConfig = target->activeRunConfiguration();
         QTC_ASSERT(runConfig, return);
         ProjectNode * const productNode = runConfig->productNode();
+        QTC_ASSERT(productNode, return);
         QTC_ASSERT(productNode->isProduct(), return);
         productNode->build();
     });
diff --git a/src/plugins/qbsprojectmanager/qbsnodes.cpp b/src/plugins/qbsprojectmanager/qbsnodes.cpp
index fc632447e79..01bfa6e9761 100644
--- a/src/plugins/qbsprojectmanager/qbsnodes.cpp
+++ b/src/plugins/qbsprojectmanager/qbsnodes.cpp
@@ -142,7 +142,13 @@ QString QbsProductNode::fullDisplayName() const
 
 QString QbsProductNode::buildKey() const
 {
-    return fullDisplayName();
+    return getBuildKey(productData());
+}
+
+QString QbsProductNode::getBuildKey(const QJsonObject &product)
+{
+    return product.value("name").toString() + '.'
+            + product.value("multiplex-configuration-id").toString();
 }
 
 QVariant QbsProductNode::data(Core::Id role) const
diff --git a/src/plugins/qbsprojectmanager/qbsnodes.h b/src/plugins/qbsprojectmanager/qbsnodes.h
index 51c6a76094b..f5a752ad3c8 100644
--- a/src/plugins/qbsprojectmanager/qbsnodes.h
+++ b/src/plugins/qbsprojectmanager/qbsnodes.h
@@ -63,6 +63,8 @@ public:
     QString fullDisplayName() const;
     QString buildKey() const override;
 
+    static QString getBuildKey(const QJsonObject &product);
+
     const QJsonObject productData() const { return m_productData; }
     QJsonObject mainGroup() const;
     QVariant data(Core::Id role) const override;
diff --git a/src/plugins/qbsprojectmanager/qbsproject.cpp b/src/plugins/qbsprojectmanager/qbsproject.cpp
index 8303c24c431..b3264dfb592 100644
--- a/src/plugins/qbsprojectmanager/qbsproject.cpp
+++ b/src/plugins/qbsprojectmanager/qbsproject.cpp
@@ -170,12 +170,6 @@ static bool supportsNodeAction(ProjectAction action, const Node *node)
     return false;
 }
 
-static QString buildKeyValue(const QJsonObject &product)
-{
-    return product.value("name").toString() + '.'
-            + product.value("multiplex-configuration-id").toString();
-}
-
 QbsBuildSystem::QbsBuildSystem(QbsBuildConfiguration *bc)
     : BuildSystem(bc->target()),
       m_session(new QbsSession(this)),
@@ -925,7 +919,7 @@ static RawProjectParts generateProjectParts(
             rpp.setProjectFileLocation(location.value("file-path").toString(),
                                        location.value("line").toInt(),
                                        location.value("column").toInt());
-            rpp.setBuildSystemTarget(buildKeyValue(prd));
+            rpp.setBuildSystemTarget(QbsProductNode::getBuildKey(prd));
             rpp.setBuildTargetType(prd.value("is-runnable").toBool()
                                    ? BuildTargetType::Executable
                                    : BuildTargetType::Library);
@@ -1088,7 +1082,7 @@ void QbsBuildSystem::updateApplicationTargets()
             }
         }
         BuildTargetInfo bti;
-        bti.buildKey = buildKeyValue(productData);
+        bti.buildKey = QbsProductNode::getBuildKey(productData);
         bti.targetFilePath = FilePath::fromString(targetFile);
         bti.projectFilePath = FilePath::fromString(projectFile);
         bti.isQtcRunnable = isQtcRunnable; // Fixed up below.