diff --git a/.cproject b/.cproject
index ab1d0cdfc..ed61e4c4b 100644
--- a/.cproject
+++ b/.cproject
@@ -532,6 +532,14 @@
 				<useDefaultCommand>true</useDefaultCommand>
 				<runAllBuilders>true</runAllBuilders>
 			</target>
+			<target name="testSimilarity3.run" path="build/gtsam_unstable/geometry/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments>-j4</buildArguments>
+				<buildTarget>testSimilarity3.run</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
 			<target name="testLieConfig.run" path="nonlinear" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
 				<buildCommand>make</buildCommand>
 				<buildArguments>-j2</buildArguments>