1 files changed, 1 insertions, 1 deletions
diff --git a/controller/fw/tools/freq_meas_test.c b/controller/fw/tools/freq_meas_test.c
index df3e39d..e80290e 100644
--- a/controller/fw/tools/freq_meas_test.c
+++ b/controller/fw/tools/freq_meas_test.c
@@ -70,7 +70,7 @@ int main(int argc, char **argv) {
     }
     fprintf(stderr, " done.\n");
 
-    size_t n_samples = st.st_size / sizeof(float);
+    const size_t n_samples = st.st_size / sizeof(float);
     float *buf_f = (float *)buf;
 
     int16_t *sim_adc_buf = calloc(sizeof(int16_t), n_samples);