1 files changed, 4 insertions, 4 deletions
diff --git a/src/gui/debugwindow.h b/src/gui/debugwindow.h
index 14265a6cc..7fd94f990 100644
--- a/src/gui/debugwindow.h
+++ b/src/gui/debugwindow.h
@@ -37,7 +37,7 @@ class DebugTab : public Container
     friend class DebugWindow;
 
     public:
-        DebugTab(const Widget2 *const widget) :
+        explicit DebugTab(const Widget2 *const widget) :
             Container(widget)
         { }
 
@@ -56,7 +56,7 @@ class MapDebugTab final : public DebugTab
     friend class DebugWindow;
 
     public:
-        MapDebugTab(const Widget2 *const widget);
+        explicit MapDebugTab(const Widget2 *const widget);
 
         A_DELETE_COPY(MapDebugTab)
 
@@ -85,7 +85,7 @@ class TargetDebugTab final : public DebugTab
     friend class DebugWindow;
 
     public:
-        TargetDebugTab(const Widget2 *const widget);
+        explicit TargetDebugTab(const Widget2 *const widget);
 
         A_DELETE_COPY(TargetDebugTab)
 
@@ -110,7 +110,7 @@ class NetDebugTab final : public DebugTab
     friend class DebugWindow;
 
     public:
-        NetDebugTab(const Widget2 *const widget);
+        explicit NetDebugTab(const Widget2 *const widget);
 
         A_DELETE_COPY(NetDebugTab)