diff --git a/data/base/script/campaign/cam3-a.js b/data/base/script/campaign/cam3-a.js
index 4a9f08f8c5d..d2668954717 100644
--- a/data/base/script/campaign/cam3-a.js
+++ b/data/base/script/campaign/cam3-a.js
@@ -308,6 +308,7 @@ function cam3Setup()
 			camCompleteRequiredResearch(nexusResClassic, CAM_NEXUS);
 		}
 
+		enableResearch("R-Wpn-Howitzer03-Rot", CAM_HUMAN_PLAYER);
 		enableResearch("R-Wpn-MG-Damage08", CAM_HUMAN_PLAYER);
 	}
 	else