diff --git a/src/spicelib/devices/vsrc/vsjack.c b/src/spicelib/devices/vsrc/vsjack.c
index aa9f1345b..a5d181b6a 100644
--- a/src/spicelib/devices/vsrc/vsjack.c
+++ b/src/spicelib/devices/vsrc/vsjack.c
@@ -114,6 +114,8 @@ int openfile_sf(int d, char* filename) {
     rabbit[d] = src_new(SRC_SINC_BEST_QUALITY, m_channels[d], &(rabbit_err[d]));
     src_set_ratio(rabbit[d], SRC_RATIO);
     src_reset(rabbit[d]);
+    output_frames_generated[d] = 0;
+    input_frames_used[d] = 0;
 
 #endif
     nframes = sf_readf_float(m_sndfile[d], (interleaved[d]), nframes);