diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index dc35c2997..4e52720b6 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -396,7 +396,7 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
 
     int palid = TRANSLATION(Translation_Remap + curbasepal, globalpal);
     GLInterface.SetFade(globalfloorpal);
-	bool success = GLInterface.SetTexture(globalskytex? globalskytex : tileGetTexture(globalpicnum), palid, sampleroverride);
+	bool success = GLInterface.SetTexture(globalskytex? globalskytex : tileGetTexture(globalpicnum), globalskytex? 0 : palid, sampleroverride);
 	if (!success)
 	{
 		tsiz.x = tsiz.y = 1;
@@ -1319,9 +1319,13 @@ static void polymost_flatskyrender(vec2f_t const* const dpxy, int32_t const n, i
     float const fglobalang = FixedToFloat(qglobalang);
     int32_t dapyscale, dapskybits, dapyoffs, daptileyscale;
     int16_t const * dapskyoff = getpsky(globalpicnum, &dapyscale, &dapskybits, &dapyoffs, &daptileyscale);
-    globalskytex = skytile? nullptr : GetSkyTexture(globalpicnum, dapskybits, dapskyoff);
+    int remap = TRANSLATION(Translation_Remap + curbasepal, globalpal);
+    globalskytex = skytile? nullptr : GetSkyTexture(globalpicnum, dapskybits, dapskyoff, remap);
     int realskybits = dapskybits;
-    if (globalskytex) dapskybits = 0;
+    if (globalskytex)
+    {
+        dapskybits = 0;
+    }
 
     ghoriz = (qglobalhoriz*(1.f/65536.f)-float(ydimen>>1))*dapyscale*(1.f/65536.f)+float(ydimen>>1)+ghorizcorrect;
 
diff --git a/source/core/textures/skytexture.cpp b/source/core/textures/skytexture.cpp
index 1004353a0..55c38c571 100644
--- a/source/core/textures/skytexture.cpp
+++ b/source/core/textures/skytexture.cpp
@@ -43,7 +43,7 @@
 
 FGameTexture* GetSkyTexture(int basetile, int lognumtiles, const int16_t *tilemap, int remap)
 {
-	char synthname[60];
+	FString synthname;
 	
 	
 	if ((lognumtiles == 0 && remap == 0) || lognumtiles > 4) 
@@ -53,12 +53,11 @@ FGameTexture* GetSkyTexture(int basetile, int lognumtiles, const int16_t *tilema
 	}
 	
 	int numtiles = 1 << lognumtiles;
-	mysnprintf(synthname, 60, "%04x", basetile);
+	synthname.Format("Sky%04x%02x", basetile, remap);
 	for(int i = 0; i < numtiles; i++)
 	{
-		synthname[4+i] = 'A' + tilemap[i];
+		synthname += 'A' + tilemap[i];
 	};
-	synthname[4+numtiles] = 0;
 	auto tex = TexMan.FindGameTexture(synthname);
 	if (tex) return tex;