diff --git a/src/ROGUE_V11.idb b/src/ROGUE_V11.idb
index d1ba23a1..6a1698f3 100644
Binary files a/src/ROGUE_V11.idb and b/src/ROGUE_V11.idb differ
diff --git a/src/RogueVersions/Rogue_PC_1_48/curses_output.cpp b/src/RogueVersions/Rogue_PC_1_48/curses_output.cpp
index 260515b8..0076ea36 100644
--- a/src/RogueVersions/Rogue_PC_1_48/curses_output.cpp
+++ b/src/RogueVersions/Rogue_PC_1_48/curses_output.cpp
@@ -129,7 +129,7 @@ struct PdCursesOutput : public OutputInterface
     virtual void raise_curtain();
 
     virtual void move(short y, short x);
-    virtual char curch();
+    virtual unsigned char curch();
 
     virtual int lines() const;
     virtual int columns() const;
@@ -580,9 +580,9 @@ void PdCursesOutput::move(short y, short x)
         Render();
 }
 
-char PdCursesOutput::curch()
+unsigned char PdCursesOutput::curch()
 {
-    return (char)::inch();
+    return ::inch() & 0xff;
 }
 
 int PdCursesOutput::add_text(unsigned char c)
diff --git a/src/RogueVersions/Rogue_PC_Core/level.cpp b/src/RogueVersions/Rogue_PC_Core/level.cpp
index d7061325..711ec18b 100644
--- a/src/RogueVersions/Rogue_PC_Core/level.cpp
+++ b/src/RogueVersions/Rogue_PC_Core/level.cpp
@@ -204,7 +204,8 @@ void Level::show_map(bool reveal_interior)
             if (!reveal_interior && ch == DOOR)
             {
                 game->screen().move(y, x);
-                if (game->screen().curch() != DOOR)
+                auto church = game->screen().curch();
+                if (church != DOOR)
                     game->screen().standout();
             }
             if (ch != ' ')
diff --git a/src/RogueVersions/Rogue_PC_Core/output_interface.h b/src/RogueVersions/Rogue_PC_Core/output_interface.h
index 860e24c5..d13dc75a 100644
--- a/src/RogueVersions/Rogue_PC_Core/output_interface.h
+++ b/src/RogueVersions/Rogue_PC_Core/output_interface.h
@@ -55,7 +55,7 @@ struct OutputInterface
     virtual void raise_curtain() = 0;
 
     virtual void move(short y, short x) = 0;
-    virtual char curch() = 0;
+    virtual unsigned char curch() = 0;
 
     virtual int lines() const = 0;
     virtual int columns() const = 0;
diff --git a/src/RogueVersions/Rogue_PC_Core/output_shim.h b/src/RogueVersions/Rogue_PC_Core/output_shim.h
index 03aa93cc..5ef55501 100644
--- a/src/RogueVersions/Rogue_PC_Core/output_shim.h
+++ b/src/RogueVersions/Rogue_PC_Core/output_shim.h
@@ -70,7 +70,7 @@ struct OutputShim
 
     void move(short y, short x);
 
-    char curch();
+    unsigned char curch();
 
     int lines() const;
     int columns() const;
diff --git a/src/RogueVersions/Rogue_PC_Core/screen_output.cpp b/src/RogueVersions/Rogue_PC_Core/screen_output.cpp
index b4ec71fa..ca480be2 100644
--- a/src/RogueVersions/Rogue_PC_Core/screen_output.cpp
+++ b/src/RogueVersions/Rogue_PC_Core/screen_output.cpp
@@ -132,7 +132,7 @@ struct ScreenOutput : public OutputInterface
     virtual void raise_curtain();
 
     virtual void move(short y, short x);
-    virtual char curch();
+    virtual unsigned char curch();
 
     virtual int lines() const;
     virtual int columns() const;
@@ -567,7 +567,7 @@ void ScreenOutput::move(short y, short x)
         ApplyMove();
 }
 
-char ScreenOutput::curch()
+unsigned char ScreenOutput::curch()
 {
     return m_data.buffer[m_row*COLS+m_col] && 0xff;
 }
@@ -761,7 +761,7 @@ void OutputShim::move(short y, short x)
     m_output_interface->move(y, x);
 }
 
-char OutputShim::curch()
+unsigned char OutputShim::curch()
 {
     return m_output_interface->curch();
 }