diff --git a/src/v_draw.cpp b/src/v_draw.cpp
index f399e4e53..87b4e0842 100644
--- a/src/v_draw.cpp
+++ b/src/v_draw.cpp
@@ -837,10 +837,10 @@ void DCanvas::FillBorder (FTexture *img)
 	}
 	else
 	{
-		Clear (0, 0, Width, bordtop, 0, 0);										// Top
-		Clear (0, bordtop, bordleft, Height - bordbottom, 0, 0);				// Left
-		Clear (Width - bordright, bordtop, Width, Height - bordbottom, 0, 0);	// Right
-		Clear (0, Height - bordbottom, Width, Height, 0, 0);					// Bottom
+		Clear (0, 0, Width, bordtop, GPalette.BlackIndex, 0);									// Top
+		Clear (0, bordtop, bordleft, Height - bordbottom, GPalette.BlackIndex, 0);				// Left
+		Clear (Width - bordright, bordtop, Width, Height - bordbottom, GPalette.BlackIndex, 0);	// Right
+		Clear (0, Height - bordbottom, Width, Height, GPalette.BlackIndex, 0);					// Bottom
 	}
 }
 
diff --git a/src/v_font.cpp b/src/v_font.cpp
index b7d5392cd..e95613f7b 100644
--- a/src/v_font.cpp
+++ b/src/v_font.cpp
@@ -1304,7 +1304,7 @@ void FSingleLumpFont::FixupPalette (BYTE *identity, double *luminosity, const BY
 	identity[0] = 0;
 	palette += 3;	// Skip the transparent color
 
-	for (i = 1; i <= ActiveColors; ++i, palette += 3)
+	for (i = 1; i < ActiveColors; ++i, palette += 3)
 	{
 		int r = palette[0];
 		int g = palette[1];
@@ -1331,7 +1331,7 @@ void FSingleLumpFont::FixupPalette (BYTE *identity, double *luminosity, const BY
 	{
 		diver = 1.0 / 255.0;
 	}
-	for (i = 1; i <= ActiveColors; ++i)
+	for (i = 1; i < ActiveColors; ++i)
 	{
 		luminosity[i] = (luminosity[i] - minlum) * diver;
 	}
diff --git a/src/v_palette.cpp b/src/v_palette.cpp
index fa8ed4615..92182311b 100644
--- a/src/v_palette.cpp
+++ b/src/v_palette.cpp
@@ -159,8 +159,8 @@ void FPalette::SetPalette (const BYTE *colors)
 	// Find white and black from the original palette so that they can be
 	// used to make an educated guess of the translucency % for a BOOM
 	// translucency map.
-	WhiteIndex = BestColor ((DWORD *)BaseColors, 255, 255, 255);
-	BlackIndex = BestColor ((DWORD *)BaseColors, 0, 0, 0);
+	WhiteIndex = BestColor ((DWORD *)BaseColors, 255, 255, 255, 0, 255);
+	BlackIndex = BestColor ((DWORD *)BaseColors, 0, 0, 0, 0, 255);
 }
 
 // In ZDoom's new texture system, color 0 is used as the transparent color.
diff --git a/src/v_video.cpp b/src/v_video.cpp
index ad850f6f4..e6145cc95 100644
--- a/src/v_video.cpp
+++ b/src/v_video.cpp
@@ -859,7 +859,7 @@ void DFrameBuffer::DrawRateStuff ()
 
 			chars = mysnprintf (fpsbuff, countof(fpsbuff), "%2u ms (%3u fps)", howlong, LastCount);
 			rate_x = Width - chars * 8;
-			Clear (rate_x, 0, Width, 8, 0, 0);
+			Clear (rate_x, 0, Width, 8, GPalette.BlackIndex, 0);
 			DrawText (ConFont, CR_WHITE, rate_x, 0, (char *)&fpsbuff[0], TAG_DONE);
 
 			DWORD thisSec = ms/1000;