diff --git a/minadbd/services.c b/minadbd/services.c
index aef37f7..4698528 100644
--- a/minadbd/services.c
+++ b/minadbd/services.c
@@ -46,7 +46,7 @@
 static void sideload_service(int s, void *cookie)
 {
     unsigned char buf[4096];
-    unsigned count = (unsigned) cookie;
+    unsigned count = (unsigned)(uintptr_t)cookie;
     int fd;
 
     fprintf(stderr, "sideload_service invoked\n");
@@ -149,7 +149,7 @@
     int ret = -1;
 
     if (!strncmp(name, "sideload:", 9)) {
-        ret = create_service_thread(sideload_service, (void*) atoi(name + 9));
+        ret = create_service_thread(sideload_service, (void*)(uintptr_t)atoi(name + 9));
 #if 0
     } else if(!strncmp(name, "echo:", 5)){
         ret = create_service_thread(echo_service, 0);
diff --git a/minui/graphics.c b/minui/graphics.c
index d757165..a2014dc 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -157,7 +157,7 @@
     fb->width = vi.xres;
     fb->height = vi.yres;
     fb->stride = fi.line_length/PIXEL_SIZE;
-    fb->data = (void*) (((unsigned) bits) + vi.yres * fi.line_length);
+    fb->data = (void*) (((char*) bits) + vi.yres * fi.line_length);
     fb->format = PIXEL_FORMAT;
     memset(fb->data, 0, vi.yres * fi.line_length);
 
diff --git a/minzip/Zip.c b/minzip/Zip.c
index 6752bce..6785d4e 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -697,7 +697,7 @@
 static bool writeProcessFunction(const unsigned char *data, int dataLen,
                                  void *cookie)
 {
-    int fd = (int)cookie;
+    int fd = (int)(intptr_t)cookie;
 
     ssize_t soFar = 0;
     while (true) {
@@ -727,7 +727,7 @@
     const ZipEntry *pEntry, int fd)
 {
     bool ret = mzProcessZipEntryContents(pArchive, pEntry, writeProcessFunction,
-                                         (void*)fd);
+                                         (void*)(intptr_t)fd);
     if (!ret) {
         LOGE("Can't extract entry to file.\n");
         return false;