diff --git a/modules/audio_processing/aec3/signal_dependent_erle_estimator.cc b/modules/audio_processing/aec3/signal_dependent_erle_estimator.cc
index 6a8d7e3..dbe8e48 100644
--- a/modules/audio_processing/aec3/signal_dependent_erle_estimator.cc
+++ b/modules/audio_processing/aec3/signal_dependent_erle_estimator.cc
@@ -328,8 +328,10 @@
     std::array<float, kFftLengthBy2Plus1> H2_section;
     X2_section.fill(0.f);
     H2_section.fill(0.f);
+    const size_t block_limit = std::min(section_boundaries_blocks_[section + 1],
+                                        filter_frequency_response.size());
     for (size_t block = section_boundaries_blocks_[section];
-         block < section_boundaries_blocks_[section + 1]; ++block) {
+         block < block_limit; ++block) {
       std::transform(X2_section.begin(), X2_section.end(),
                      spectrum_render_buffer.buffer[idx_render].begin(),
                      X2_section.begin(), std::plus<float>());