diff --git a/src/backend/columnar/columnar_tableam.c b/src/backend/columnar/columnar_tableam.c
index 40486d08f..ca3a5f4c4 100644
--- a/src/backend/columnar/columnar_tableam.c
+++ b/src/backend/columnar/columnar_tableam.c
@@ -2946,7 +2946,7 @@ MajorVersionsCompatibleColumnar(char *leftVersion, char *rightVersion)
 	}
 	else
 	{
-		rightComparisionLimit = strlen(leftVersion);
+		rightComparisionLimit = strlen(rightVersion);
 	}
 
 	/* we can error out early if hypens are not in the same position */