diff --git a/src/meta/adx_header.c b/src/meta/adx_header.c
index 25b814a1..2e0b8e6a 100644
--- a/src/meta/adx_header.c
+++ b/src/meta/adx_header.c
@@ -30,7 +30,7 @@ VGMSTREAM * init_vgmstream_adx(const char * const filename) {
     if ((uint16_t)read_16bitBE(0,infile)!=0x8000) goto fail;
 
     /* get copyright/stream offset, check */
-    copyright_offset = read_16bitBE(2,infile);
+    copyright_offset = (uint16_t)read_16bitBE(2,infile);
     if ((uint32_t)read_32bitBE(copyright_offset,infile)!=0x29435249 || /* ")CRI" */
             (uint16_t)read_16bitBE(copyright_offset-2,infile)!=0x2863) /* "(c" */
         goto fail;
diff --git a/src/meta/afc_header.c b/src/meta/afc_header.c
index 5f4096ef..173dee4b 100644
--- a/src/meta/afc_header.c
+++ b/src/meta/afc_header.c
@@ -27,7 +27,7 @@ VGMSTREAM * init_vgmstream_afc(const char * const filename) {
 
     /* fill in the vital statistics */
     vgmstream->num_samples = read_32bitBE(0x04,infile);
-    vgmstream->sample_rate = read_16bitBE(0x08,infile);
+    vgmstream->sample_rate = (uint16_t)read_16bitBE(0x08,infile);
     /* channels and loop flag are set by allocate_vgmstream */
     vgmstream->loop_start_sample = read_32bitBE(0x14,infile);
     vgmstream->loop_end_sample = vgmstream->num_samples;
diff --git a/src/meta/agsc.c b/src/meta/agsc.c
index 88e8bdbd..234b156a 100644
--- a/src/meta/agsc.c
+++ b/src/meta/agsc.c
@@ -37,7 +37,7 @@ VGMSTREAM * init_vgmstream_agsc(const char * const filename) {
 
     /* fill in the vital statistics */
     vgmstream->num_samples = read_32bitBE(header_offset+0xda,infile);
-    vgmstream->sample_rate = read_16bitBE(header_offset+0xd8,infile);
+    vgmstream->sample_rate = (uint16_t)read_16bitBE(header_offset+0xd8,infile);
 
     vgmstream->loop_start_sample = read_32bitBE(header_offset+0xde,infile);
     /* this is cute, we actually have a "loop length" */
diff --git a/src/meta/brstm.c b/src/meta/brstm.c
index 181bc903..3af1227d 100644
--- a/src/meta/brstm.c
+++ b/src/meta/brstm.c
@@ -62,7 +62,7 @@ VGMSTREAM * init_vgmstream_brstm(const char * const filename) {
 
     /* fill in the vital statistics */
     vgmstream->num_samples = read_32bitBE(head_offset+0x2c,infile);
-    vgmstream->sample_rate = read_16bitBE(head_offset+0x24,infile);
+    vgmstream->sample_rate = (uint16_t)read_16bitBE(head_offset+0x24,infile);
     /* channels and loop flag are set by allocate_vgmstream */
     vgmstream->loop_start_sample = read_32bitBE(head_offset+0x28,infile);
     vgmstream->loop_end_sample = vgmstream->num_samples;