diff --git a/src/r_draw_pal.cpp b/src/r_draw_pal.cpp
index c7adc9d87..6b40621b6 100644
--- a/src/r_draw_pal.cpp
+++ b/src/r_draw_pal.cpp
@@ -297,6 +297,9 @@ namespace swrenderer
 		int bits = _fracbits;
 		int pitch = _pitch;
 
+		uint32_t *fg2rgb = _srcblend;
+		uint32_t *bg2rgb = _destblend;
+
 		count = thread->count_for_thread(_dest_y, count);
 		if (count <= 0)
 			return;
@@ -347,6 +350,9 @@ namespace swrenderer
 		int count = _count;
 		int bits = _fracbits;
 
+		uint32_t *fg2rgb = _srcblend;
+		uint32_t *bg2rgb = _destblend;
+
 		uint32_t dc_wall_texturefrac[4] = { _texturefrac[0], _texturefrac[1], _texturefrac[2], _texturefrac[3] };
 		uint32_t dc_wall_iscale[4] = { _iscale[0], _iscale[1], _iscale[2], _iscale[3] };
 
@@ -415,6 +421,9 @@ namespace swrenderer
 		int bits = _fracbits;
 		int pitch = _pitch;
 
+		uint32_t *fg2rgb = _srcblend;
+		uint32_t *bg2rgb = _destblend;
+
 		count = thread->count_for_thread(_dest_y, count);
 		if (count <= 0)
 			return;
@@ -469,6 +478,9 @@ namespace swrenderer
 		int count = _count;
 		int bits = _fracbits;
 
+		uint32_t *fg2rgb = _srcblend;
+		uint32_t *bg2rgb = _destblend;
+
 		uint32_t dc_wall_texturefrac[4] = { _texturefrac[0], _texturefrac[1], _texturefrac[2], _texturefrac[3] };
 		uint32_t dc_wall_iscale[4] = { _iscale[0], _iscale[1], _iscale[2], _iscale[3] };
 
diff --git a/src/v_video.cpp b/src/v_video.cpp
index 5a8ef10d5..9abe13f1b 100644
--- a/src/v_video.cpp
+++ b/src/v_video.cpp
@@ -66,6 +66,8 @@
 #include "menu/menu.h"
 #include "r_data/voxels.h"
 
+EXTERN_CVAR(Bool, r_blendmode)
+
 int active_con_scale();
 
 FRenderer *Renderer;