diff --git a/i_sndfile/i_sndfile.cpp b/i_sndfile/i_sndfile.cpp
index c579956340a9a3c8c1a02938ba1e3fffb42af50c..a51bb12d90c178826976e4280bfd77ae6ddd4502 100644
--- a/i_sndfile/i_sndfile.cpp
+++ b/i_sndfile/i_sndfile.cpp
@@ -8,8 +8,8 @@
 
 int main(int argc, char**argv){
     blc_channel output;
-    char const *filename, *output_name, *type_str, *length_str, *period_str, *samplerate_str;
-    int period, samplerate;
+    char const *filename, *output_name, *type_str, *length_str, *period_str, *samplerate_str, *iterations_nb_str;
+    int period, samplerate, iterations_nb;
     size_t length;
     uint32_t type;
     SF_INFO sfinfo;
@@ -18,6 +18,7 @@ int main(int argc, char**argv){
     
     blc_program_set_description("Record blc_channel input in a sound file");
     blc_program_add_option(&filename, 'f', "file", "string", "filename of the file to write", NULL);
+    blc_program_add_option(&iterations_nb_str, 'n', "number", "integer", "number of samples to acquire (-1 for infinity)", "-1");
     blc_program_add_option(&output_name, 'o', "output", "string", "Channel where to put the sound", DEFAULT_OUTPUT_NAME);
     blc_program_add_option(&period_str, 'p', "period", "integer", "Period between each sample in ms (0 as fast as possible)", "0");
     blc_program_add_option(&length_str, 's', "size", "integer", "Sample size", "4096");
@@ -37,6 +38,7 @@ int main(int argc, char**argv){
     if (sscanf(length_str, "%ld", &length)!=1) EXIT_ON_ERROR("Reading size '%s'", length_str);
     if (sscanf(period_str, "%d", &period)!=1)  EXIT_ON_ERROR("Reading period in '%s'", period_str);
     
+    iterations_nb=strtol(iterations_nb_str, NULL, 10);
     if (strcmp(DEFAULT_OUTPUT_NAME, output_name)==0) asprintf((char**)&output_name, ":sound%d", getpid());
 
     output.create_or_open(output_name, BLC_CHANNEL_WRITE, type, 'LPCM', 1, length);
@@ -51,6 +53,7 @@ int main(int argc, char**argv){
     blc_loop_try_add_posting_semaphore(output.sem_new_data);
 
     BLC_COMMAND_LOOP(period*1000){
+	if (iterations_nb==blc_loop_iteration) blc_command_ask_quit();
         read_items_nb=sf_read_float(sndfile, output.floats, output.total_length);
         if (read_items_nb!=output.total_length) {
            color_eprintf(BLC_YELLOW, "%s: Iteration %llu: Missing data. Read '%lld' items instead of '%ld'. It is probably the end of the file\n", blc_program_name, blc_loop_iteration,  read_items_nb, output.total_length);