diff --git a/src/fetch/main.c b/src/fetch/main.c
index 40c6f2360..9825cf04b 100644
--- a/src/fetch/main.c
+++ b/src/fetch/main.c
@@ -9,7 +9,7 @@
 #include <sys/types.h>
 #if defined(__linux__) || defined(__gnu_hurd__)
 #include <sys/sysinfo.h>
-#else
+#elif !defined(__MINGW64__)
 #include <sys/sysctl.h>
 #endif
 #include <sys/utsname.h>
@@ -81,7 +81,7 @@ static distro_info distros[] = {
 
 static int
 fetch_bsd_cpuinfo(fetched_info* fi){
-#if defined(__linux__) || defined(__gnu_hurd__)
+#if defined(__linux__) || defined(__gnu_hurd__) || defined(__MINGW64__)
   (void)fi;
 #else
   size_t len = sizeof(fi->core_count);
diff --git a/src/lib/iterm.c b/src/lib/iterm.c
index c24eaecec..90065b2a1 100644
--- a/src/lib/iterm.c
+++ b/src/lib/iterm.c
@@ -41,12 +41,11 @@ int iterm_draw(const tinfo* ti, const ncpile *p, sprixel* s, fbuf* f, int y, int
 }
 
 static int
-write_iterm_graphic(const void* data, int leny, int stride, int lenx, fbuf *f){
+write_iterm_graphic(tament* tam, const void* data, int leny, int stride, int lenx, fbuf *f){
   if(fbuf_puts(f, "\e]1337;File=inline=1:") < 0){
     return -1;
   }
-  // FIXME won't we need to pass TAM into write_png_b64()?
-  if(write_png_b64(data, leny, stride, lenx, f)){
+  if(write_png_b64(tam, data, leny, stride, lenx, f)){
     return -1;
   }
   if(fbuf_puts(f, "\x1b\\") < 0){
@@ -83,7 +82,7 @@ int iterm_blit(ncplane* n, int linesize, const void* data,
     free(tam);
     return -1;
   }
-  if(write_iterm_graphic(data, leny, linesize, lenx, &s->glyph)){
+  if(write_iterm_graphic(tam, data, leny, linesize, lenx, &s->glyph)){
     if(!reuse){
       free(tam);
     }
diff --git a/src/lib/png.c b/src/lib/png.c
index b1d6973ce..c2b4a9fbc 100644
--- a/src/lib/png.c
+++ b/src/lib/png.c
@@ -228,7 +228,7 @@ fbuf_putn64(fbuf* f, const void* src, size_t osize, struct b64ctx* bctx){
 }
 
 static size_t
-fwrite_idats(fbuf* f, const unsigned char* data, size_t dlen,
+fwrite_idats(tament* tam, fbuf* f, const unsigned char* data, size_t dlen,
              struct b64ctx* bctx){
   static const char ctype[] = "IDAT";
   uint32_t written = 0;
@@ -244,6 +244,8 @@ fwrite_idats(fbuf* f, const unsigned char* data, size_t dlen,
        fbuf_putn64(f, data + dwritten, thischunk, bctx) != 1){
       return 0;
     }
+    // FIXME use the TAM!
+    (void)tam;
 // FIXME horrible; PoC; do not retain!
 unsigned char* crcbuf = malloc(thischunk + 8);
 memcpy(crcbuf, &nclen, 4);
@@ -262,7 +264,8 @@ free(crcbuf); // FIXME well a bit more
   return written;
 }
 
-int write_png_b64(const void* data, int rows, int rowstride, int cols, fbuf* f){
+int write_png_b64(tament* tam, const void* data, int rows, int rowstride,
+                  int cols, fbuf* f){
   void* deflated;
   size_t dlen;
   compute_png_size(data, rows, rowstride, cols, &deflated, &dlen);
@@ -280,7 +283,7 @@ int write_png_b64(const void* data, int rows, int rowstride, int cols, fbuf* f){
     free(deflated);
     return -1;
   }
-  if(fwrite_idats(f, deflated, dlen, &bctx) == 0){
+  if(fwrite_idats(tam, f, deflated, dlen, &bctx) == 0){
     free(deflated);
     return -1;
   }
diff --git a/src/lib/png.h b/src/lib/png.h
index f3b52e387..85c796824 100644
--- a/src/lib/png.h
+++ b/src/lib/png.h
@@ -8,10 +8,11 @@ extern "C" {
 #include <stdio.h>
 
 struct fbuf;
-struct ncvisual;
+struct tament;
 
 // create the PNG, encode it using base64, and write it to |fp|
-int write_png_b64(const void* data, int rows, int rowstride, int cols, fbuf* f);
+int write_png_b64(struct tament* tam, const void* data, int rows, int rowstride,
+                  int cols, struct fbuf* f);
 
 #ifdef __cplusplus
 }