diff --git a/plugins/autohauler.cpp b/plugins/autohauler.cpp
index a7a35797c..d7b233195 100644
--- a/plugins/autohauler.cpp
+++ b/plugins/autohauler.cpp
@@ -1136,7 +1136,7 @@ command_result autohauler (color_ostream &out, std::vector <std::string> & param
         out << "All labors reset." << endl;
         return CR_OK;
     }
-    else if (parameters.size() == 1 && parameters[0] == "list" || parameters[0] == "status")
+    else if (parameters.size() == 1 && (parameters[0] == "list" || parameters[0] == "status"))
     {
         if (!enable_autohauler)
         {
diff --git a/plugins/autolabor.cpp b/plugins/autolabor.cpp
index 87b14729a..070744de0 100644
--- a/plugins/autolabor.cpp
+++ b/plugins/autolabor.cpp
@@ -1511,7 +1511,7 @@ command_result autolabor (color_ostream &out, std::vector <std::string> & parame
         out << "All labors reset." << endl;
         return CR_OK;
     }
-    else if (parameters.size() == 1 && parameters[0] == "list" || parameters[0] == "status")
+    else if (parameters.size() == 1 && (parameters[0] == "list" || parameters[0] == "status"))
     {
         if (!enable_autolabor)
         {
diff --git a/plugins/rendermax/renderer_light.cpp b/plugins/rendermax/renderer_light.cpp
index 7dd6d46bc..5e6f2e2de 100644
--- a/plugins/rendermax/renderer_light.cpp
+++ b/plugins/rendermax/renderer_light.cpp
@@ -724,7 +724,7 @@ void lightingEngineViewscreen::doOcupancyAndLights()
         for(int i=0;i<block->flows.size();i++)
         {
             df::flow_info* f=block->flows[i];
-            if(f && f->density>0 && f->type==df::flow_type::Dragonfire || f->type==df::flow_type::Fire)
+            if(f && f->density>0 && (f->type==df::flow_type::Dragonfire || f->type==df::flow_type::Fire))
             {
                 df::coord2d pos=f->pos;
                 pos=worldToViewportCoord(pos,vp,window2d);