diff --git a/Tactical/Interface Panels.cpp b/Tactical/Interface Panels.cpp
index 2d79a734..a9fee2d2 100644
--- a/Tactical/Interface Panels.cpp	
+++ b/Tactical/Interface Panels.cpp	
@@ -1086,7 +1086,7 @@ void UpdateSMPanel( )
 		// Enable some buttons!
 		// Changed by ADB, rev 1513
 		//if ( ((IsGunAutofireCapable( gpSMCurrentMerc, HANDPOS ) || IsGunBurstCapable( gpSMCurrentMerc, HANDPOS , FALSE )) && !Weapon[gpSMCurrentMerc->inv[HANDPOS].usItem].NoSemiAuto ) || IsGrenadeLauncherAttached ( &(gpSMCurrentMerc->inv[HANDPOS]) ) )
-		if ( ((IsGunAutofireCapable( &gpSMCurrentMerc->inv[HANDPOS] ) || IsGunBurstCapable( &gpSMCurrentMerc->inv[HANDPOS], FALSE, gpSMCurrentMerc )) && !Weapon[gpSMCurrentMerc->inv[HANDPOS].usItem].NoSemiAuto ) || IsGrenadeLauncherAttached ( &(gpSMCurrentMerc->inv[HANDPOS]) ) )
+		if ( ((IsGunAutofireCapable( &gpSMCurrentMerc->inv[HANDPOS] ) || IsGunBurstCapable( &gpSMCurrentMerc->inv[HANDPOS], FALSE, gpSMCurrentMerc )) && !Weapon[gpSMCurrentMerc->inv[HANDPOS].usItem].NoSemiAuto ) || IsGrenadeLauncherAttached ( &(gpSMCurrentMerc->inv[HANDPOS]) ) || IsUnderBarrelAttached( &(gpSMCurrentMerc->inv[HANDPOS]) ) )
 		{
 			EnableButton( iSMPanelButtons[ BURSTMODE_BUTTON ] );
 		}