diff --git a/video/report_block_stats_unittest.cc b/video/report_block_stats_unittest.cc
index 23b3ab82a8..0b0230941f 100644
--- a/video/report_block_stats_unittest.cc
+++ b/video/report_block_stats_unittest.cc
@@ -9,7 +9,6 @@
  */
 
 #include "video/report_block_stats.h"
-#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 
 #include "test/gtest.h"
 
@@ -17,56 +16,62 @@ namespace webrtc {
 
 class ReportBlockStatsTest : public ::testing::Test {
  protected:
-  ReportBlockStatsTest() : kSsrc1(0x12345) {}
-
-  void SetUp() override {
-    // kSsrc1: block 1-3.
-    block1_1_.packets_lost = 10;
-    block1_1_.fraction_lost = 123;
-    block1_1_.extended_highest_sequence_number = 24000;
-    block1_1_.jitter = 777;
-    block1_1_.source_ssrc = kSsrc1;
-    block1_2_.packets_lost = 15;
-    block1_2_.fraction_lost = 0;
-    block1_2_.extended_highest_sequence_number = 24100;
-    block1_2_.jitter = 222;
-    block1_2_.source_ssrc = kSsrc1;
-    block1_3_.packets_lost = 50;
-    block1_3_.fraction_lost = 0;
-    block1_3_.extended_highest_sequence_number = 24200;
-    block1_3_.jitter = 333;
-    block1_3_.source_ssrc = kSsrc1;
+  ReportBlockStatsTest() {
+    // kSsrc1: report 1-3.
+    stats1_1_.packets_lost = 10;
+    stats1_1_.extended_highest_sequence_number = 24000;
+    stats1_2_.packets_lost = 15;
+    stats1_2_.extended_highest_sequence_number = 24100;
+    stats1_3_.packets_lost = 50;
+    stats1_3_.extended_highest_sequence_number = 24200;
+    // kSsrc2: report 1,2.
+    stats2_1_.packets_lost = 111;
+    stats2_1_.extended_highest_sequence_number = 8500;
+    stats2_2_.packets_lost = 136;
+    stats2_2_.extended_highest_sequence_number = 8800;
   }
 
-  RtcpStatistics RtcpReportBlockToRtcpStatistics(const RTCPReportBlock& stats) {
-    RtcpStatistics block;
-    block.packets_lost = stats.packets_lost;
-    block.fraction_lost = stats.fraction_lost;
-    block.extended_highest_sequence_number =
-        stats.extended_highest_sequence_number;
-    block.jitter = stats.jitter;
-    return block;
-  }
-
-  const uint32_t kSsrc1;
-  RTCPReportBlock block1_1_;
-  RTCPReportBlock block1_2_;
-  RTCPReportBlock block1_3_;
+  const uint32_t kSsrc1 = 123;
+  const uint32_t kSsrc2 = 234;
+  RtcpStatistics stats1_1_;
+  RtcpStatistics stats1_2_;
+  RtcpStatistics stats1_3_;
+  RtcpStatistics stats2_1_;
+  RtcpStatistics stats2_2_;
 };
 
 TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost) {
   ReportBlockStats stats;
   EXPECT_EQ(-1, stats.FractionLostInPercent());
 
-  // First block.
-  stats.Store(kSsrc1, RtcpReportBlockToRtcpStatistics(block1_1_));
+  // First report.
+  stats.Store(kSsrc1, stats1_1_);
   EXPECT_EQ(-1, stats.FractionLostInPercent());
   // fl: 100 * (15-10) / (24100-24000) = 5%
-  stats.Store(kSsrc1, RtcpReportBlockToRtcpStatistics(block1_2_));
+  stats.Store(kSsrc1, stats1_2_);
   EXPECT_EQ(5, stats.FractionLostInPercent());
   // fl: 100 * (50-10) / (24200-24000) = 20%
-  stats.Store(kSsrc1, RtcpReportBlockToRtcpStatistics(block1_3_));
+  stats.Store(kSsrc1, stats1_3_);
   EXPECT_EQ(20, stats.FractionLostInPercent());
 }
 
+TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost_TwoSsrcs) {
+  ReportBlockStats stats;
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+
+  // First report.
+  stats.Store(kSsrc1, stats1_1_);
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+  // fl: 100 * (15-10) / (24100-24000) = 5%
+  stats.Store(kSsrc1, stats1_2_);
+  EXPECT_EQ(5, stats.FractionLostInPercent());
+
+  // First report, kSsrc2.
+  stats.Store(kSsrc2, stats2_1_);
+  EXPECT_EQ(5, stats.FractionLostInPercent());
+  // fl: 100 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 7%
+  stats.Store(kSsrc2, stats2_2_);
+  EXPECT_EQ(7, stats.FractionLostInPercent());
+}
+
 }  // namespace webrtc