diff --git a/modules/audio_processing/agc/legacy/digital_agc.c b/modules/audio_processing/agc/legacy/digital_agc.c
index 8353f85f67..fe4e5cee6c 100644
--- a/modules/audio_processing/agc/legacy/digital_agc.c
+++ b/modules/audio_processing/agc/legacy/digital_agc.c
@@ -410,7 +410,7 @@ int32_t WebRtcAgc_ProcessDigital(DigitalAgc* stt,
     if (cur_level == 0) {
       zeros = 31;
     }
-    tmp32 = (cur_level << zeros) & 0x7FFFFFFF;
+    tmp32 = ((uint32_t)cur_level << zeros) & 0x7FFFFFFF;
     frac = (int16_t)(tmp32 >> 19);  // Q12.
     tmp32 = (stt->gainTable[zeros - 1] - stt->gainTable[zeros]) * frac;
     gains[k + 1] = stt->gainTable[zeros] + (tmp32 >> 12);
@@ -429,7 +429,7 @@ int32_t WebRtcAgc_ProcessDigital(DigitalAgc* stt,
   if (stt->capacitorFast == 0) {
     zeros_fast = 31;
   }
-  tmp32 = (stt->capacitorFast << zeros_fast) & 0x7FFFFFFF;
+  tmp32 = ((uint32_t)stt->capacitorFast << zeros_fast) & 0x7FFFFFFF;
   zeros_fast <<= 9;
   zeros_fast -= (int16_t)(tmp32 >> 22);