diff --git a/libImaging/Jpeg2KDecode.c b/libImaging/Jpeg2KDecode.c
index b0cefe278..250860009 100644
--- a/libImaging/Jpeg2KDecode.c
+++ b/libImaging/Jpeg2KDecode.c
@@ -56,10 +56,11 @@ j2k_read(void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
 static OPJ_OFF_T
 j2k_skip(OPJ_OFF_T p_nb_bytes, void *p_user_data)
 {
+    off_t pos;
     ImagingCodecState state = (ImagingCodecState)p_user_data;
 
     _imaging_seek_pyFd(state->fd, p_nb_bytes, SEEK_CUR);
-    off_t pos = _imaging_tell_pyFd(state->fd);
+    pos = _imaging_tell_pyFd(state->fd);
 
     return pos ? pos : (OPJ_OFF_T)-1;
 }