--- a/src/extract_mpeg2.c
+++ b/src/extract_mpeg2.c
@@ -148,7 +148,7 @@
 		    return 0;					\
 		}						\
 	    } else {						\
-		memcpy (head_buf, header, bytes);		\
+		memcpy ((void*)head_buf, header, bytes);	\
 		state = DEMUX_HEADER;				\
 		state_bytes = bytes;				\
 		return 0;					\
@@ -437,7 +437,7 @@
 	}
 	if (end != buffer + BUFFER_SIZE)
 	    break;
-	memcpy (buffer, buf, end - buf);
+	memcpy ((void*)buffer, buf, end - buf);
 	buf = buffer + (end - buf);
     }
 }
--- a/src/mpeg2dec.c
+++ b/src/mpeg2dec.c
@@ -406,7 +406,7 @@
 		    return 0;					\
 		}						\
 	    } else {						\
-		memcpy (head_buf, header, bytes);		\
+		memcpy ((void*)head_buf, header, bytes);	\
 		state = DEMUX_HEADER;				\
 		state_bytes = bytes;				\
 		return 0;					\
@@ -740,7 +740,7 @@
 	}
 	if (end != buffer + buffer_size)
 	    break;
-	memcpy (buffer, buf, end - buf);
+	memcpy ((void*)buffer, buf, end - buf);
 	buf = buffer + (end - buf);
     } while (!sigint);
     free (buffer);