diff --git a/src/p_map.cpp b/src/p_map.cpp
index ad678b529..7da07d5eb 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -4581,7 +4581,7 @@ void P_RadiusAttack (AActor *bombspot, AActor *bombsource, int bombdamage, int b
 					if (!(flags & RADF_NODAMAGE) && !(bombspot->flags3 & MF3_BLOODLESSIMPACT))
 						P_TraceBleed (newdam > 0 ? newdam : damage, thing, bombspot);
 
-					if (!(flags & RADF_NODAMAGE) || !(bombspot->flags2 & MF2_NODMGTHRUST))
+					if ((flags & RADF_NODAMAGE) || !(bombspot->flags2 & MF2_NODMGTHRUST))
 					{
 						if (bombsource == NULL || !(bombsource->flags2 & MF2_NODMGTHRUST))
 						{