diff --git a/src/SecExp/securityReport.tw b/src/SecExp/securityReport.tw
index 230be15cbd9c7b86607eb0f56f58a433f4f72102..cbf802c5c74f5d1e00e4dfeb2efa63e82d419d31 100644
--- a/src/SecExp/securityReport.tw
+++ b/src/SecExp/securityReport.tw
@@ -101,9 +101,9 @@
 
 <<if $transportHub == 1>>
 	<<if $terrain != "oceanic" && $terrain != "marine">>
-		<<set _secGrowth += ($airport + $railway - $hubSecurity * 3) / 2>>
+		<<set _secGrowth -= ($airport + $railway - $hubSecurity * 3) / 2>>
 	<<else>>
-		<<set _secGrowth += ($airport + $docks - $hubSecurity * 3) / 2>>
+		<<set _secGrowth -= ($airport + $docks - $hubSecurity * 3) / 2>>
 	<</if>>
 	<<if $airport + $docks > $hubSecurity * 3>>
 		The transport hub, for all its usefulness, is a hotspot of malicious activity and hub security forces are not sufficient to keep up with all threats.
@@ -238,13 +238,10 @@
 
 /* crime cap */
 <<set _crimeCap = Math.trunc(Math.clamp($crimeCap + ($crimeCap - $crimeCap * ($secHelots / $reqHelots)),0,100))>>
-<<if _crimeCap < $crimeCap && $secHQ == 1>>
+<<if _crimeCap > $crimeCap && $secHQ == 1>>
 	The limited staff assigned to the HQ allows more space for criminals to act.
 <</if>>
-<<set _newCrime = Math.trunc($crime + _crimeGrowth)>>
-<<if _newCrime > _crimeCap>>
-	<<set _newCrime = _crimeCap>>
-<</if>>
+<<set _newCrime = Math.trunc(Math.clamp($crime + _crimeGrowth,0,_crimeCap))>>
 <<if _newCrime > $crime>>
 	This week @@.red;crime increased@@.
 <<elseif _newCrime == $crime>>