diff --git a/minui/resources.c b/minui/resources.c
index 3d2c727..e055e68 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -125,7 +125,7 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
 
     int y;
     if (channels == 3) {
-        for (y = 0; y < height; ++y) {
+        for (y = 0; y < (int)height; ++y) {
             unsigned char* pRow = pData + y * stride;
             png_read_row(png_ptr, pRow, NULL);
 
@@ -144,7 +144,7 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
             }
         }
     } else {
-        for (y = 0; y < height; ++y) {
+        for (y = 0; y < (int)height; ++y) {
             unsigned char* pRow = pData + y * stride;
             png_read_row(png_ptr, pRow, NULL);
         }
diff --git a/mtdutils/mtdutils.c b/mtdutils/mtdutils.c
index 8b71867..2daaa4c 100644
--- a/mtdutils/mtdutils.c
+++ b/mtdutils/mtdutils.c
@@ -337,7 +337,7 @@ ssize_t mtd_read_data(MtdReadContext *ctx, char *data, size_t len)
             read += ctx->partition->erase_size;
         }
 
-        if (read >= len) {
+        if (read >= (int)len) {
             return read;
         }