diff --git a/kstars/ekos/align/offlineastrometryparser.cpp b/kstars/ekos/align/offlineastrometryparser.cpp
--- a/kstars/ekos/align/offlineastrometryparser.cpp
+++ b/kstars/ekos/align/offlineastrometryparser.cpp
@@ -116,7 +116,7 @@
         KSUtils::configureLocalAstrometryConfIfNecessary();
 #if defined(Q_OS_LINUX)
         solverFileInfo = QFileInfo(Options::astrometrySolverBinary());
-#elif (Q_OS_OSX)
+#elif defined(Q_OS_OSX)
         solverFileInfo = QFileInfo(QCoreApplication::applicationDirPath() + "/astrometry/bin/solve-field");
 #endif
     }