diff --git a/GameData/LTech/Parts/Science/LTechSkyLab/SkyLab.cfg b/GameData/LTech/Parts/Science/LTechSkyLab/SkyLab.cfg
index a7b30e2..9f1baf4 100644
--- a/GameData/LTech/Parts/Science/LTechSkyLab/SkyLab.cfg
+++ b/GameData/LTech/Parts/Science/LTechSkyLab/SkyLab.cfg
@@ -52,6 +52,9 @@ PART
 		name = SkyLabCore
 		rate = 100.0
 		minimumCrew = 3
+		// This module is also a ModuleScienceExperiment, which means it also
+		// needs this line:
+		experimentID = error
 	}
 	
 	MODULE
@@ -187,4 +190,4 @@ PART
 		amount = 5000
 		maxAmount = 5000
 	}
-}
\ No newline at end of file
+}