diff --git a/src/dj.c b/src/dj.c
index 8fe1af3..3b5bc5f 100644
--- a/src/dj.c
+++ b/src/dj.c
@@ -263,12 +263,12 @@ int main(int argc, char *argv[]){
 		assert(io[0].bufuse == 0);
 
 		{ /* read */
-			char skipping;
+			long skipping;
 			size_t t;
 
 			/* hack to intentionally get a partial read from Io_read */
-			if((skipping = (io[0].seek > 0)) && io[0].seek < io[0].bs)
-				io[0].bufuse = io[0].bs - io[0].seek;
+			if((skipping = MIN(io[0].seek, io[0].bs)) > 0)
+				io[0].bufuse = io[0].bs - (size_t)skipping;
 
 			t = io[0].bufuse;
 			if(Io_read(&io[0])->bufuse == t && !noerror && io[0].error == 0)
@@ -290,7 +290,8 @@ int main(int argc, char *argv[]){
 				}
 			}
 
-			if(skipping){
+			if(skipping > 0){
+				io[0].seek -= skipping;
 				io[0].bufuse = 0;
 				count += (count != 0);
 				continue;