diff --git a/src/plugins/projectexplorer/buildsystem.cpp b/src/plugins/projectexplorer/buildsystem.cpp
index f360ea6648b..ea299cd522d 100644
--- a/src/plugins/projectexplorer/buildsystem.cpp
+++ b/src/plugins/projectexplorer/buildsystem.cpp
@@ -316,7 +316,7 @@ void BuildSystem::emitBuildSystemUpdated()
 
 QString BuildSystem::disabledReason(const QString &buildKey) const
 {
-    if (hasParsingData()) {
+    if (!hasParsingData()) {
         QString msg = isParsing() ? tr("The project is currently being parsed.")
                                   : tr("The project could not be fully parsed.");
         const FilePath projectFilePath = buildTarget(buildKey).projectFilePath;