diff --git a/src/pc/gfx/gfx_direct3d_common.cpp b/src/pc/gfx/gfx_direct3d_common.cpp
index bf8e41094..ca431bcd8 100644
--- a/src/pc/gfx/gfx_direct3d_common.cpp
+++ b/src/pc/gfx/gfx_direct3d_common.cpp
@@ -147,7 +147,8 @@ void gfx_direct3d_common_build_shader(char buf[4096], size_t& len, size_t& num_f
     append_line(buf, &len, "struct PSInput {");
     append_line(buf, &len, "    float4 position : SV_POSITION;");
     if (ccf.used_textures[0] || ccf.used_textures[1]) {
-        append_line(buf, &len, "    noperspective float2 uv : TEXCOORD;");
+        if (!cc.cm.tex_persp) append_str(buf, &len, "noperspective");
+        append_line(buf, &len, "    float2 uv : TEXCOORD;");
         num_floats += 2;
     }
     if ((cc.cm.use_alpha && cc.cm.use_dither) || ccf.do_noise) {
diff --git a/src/pc/gfx/gfx_opengl.c b/src/pc/gfx/gfx_opengl.c
index f9a5083f7..b085e5686 100644
--- a/src/pc/gfx/gfx_opengl.c
+++ b/src/pc/gfx/gfx_opengl.c
@@ -320,7 +320,8 @@ static struct ShaderProgram *gfx_opengl_create_and_load_new_shader(struct ColorC
 #endif
 
     if (ccf.used_textures[0] || ccf.used_textures[1]) {
-        append_line(fs_buf, &fs_len, "noperspective in vec2 vTexCoord;");
+        if (!opt_tex_persp) append_str(fs_buf, &fs_len, "noperspective ");
+        append_line(fs_buf, &fs_len, "in vec2 vTexCoord;");
     }
     if (opt_fog) {
         append_line(fs_buf, &fs_len, "in vec4 vFog;");