diff --git a/Info.plist b/Info.plist
index 84b270f0..7369e2eb 100644
--- a/Info.plist
+++ b/Info.plist
@@ -18,6 +18,11 @@
 	<string>@SHORT_VERSION@</string>
 	<key>CFBundleShortVersionString</key>
 	<string>@SHORT_VERSION@</string>
+	<key>LSEnvironment</key>
+	<dict>
+	  <key>GUI_LAUNCHED</key>
+	  <string></string>
+	</dict>
 	<key>CFBundleDocumentTypes</key>
 	<array>
 		<dict>
diff --git a/src/openscad.cc b/src/openscad.cc
index 0a62463f..3050c264 100644
--- a/src/openscad.cc
+++ b/src/openscad.cc
@@ -582,8 +582,9 @@ int gui(const vector<string> &inputFiles, const fs::path &original_path, int arg
 int main(int argc, char **argv)
 {
 	int rc = 0;
+	bool isGuiLaunched = getenv("GUI_LAUNCHED") != 0;
 #ifdef Q_OS_MAC
-	set_output_handler(CocoaUtils::nslog, NULL);
+	if (isGuiLaunched) set_output_handler(CocoaUtils::nslog, NULL);
 #endif
 #ifdef ENABLE_CGAL
 	// Causes CGAL errors to abort directly instead of throwing exceptions