diff --git a/compiler-rt/lib/msan/msan_interceptors.cc b/compiler-rt/lib/msan/msan_interceptors.cc
index 0b58f54b5bd2..796b90ecad74 100644
--- a/compiler-rt/lib/msan/msan_interceptors.cc
+++ b/compiler-rt/lib/msan/msan_interceptors.cc
@@ -404,6 +404,7 @@ INTERCEPTORS_STRTO_BASE(long, strtol, char)                  // NOLINT
 INTERCEPTORS_STRTO_BASE(long long, strtoll, char)            // NOLINT
 INTERCEPTORS_STRTO_BASE(unsigned long, strtoul, char)        // NOLINT
 INTERCEPTORS_STRTO_BASE(unsigned long long, strtoull, char)  // NOLINT
+INTERCEPTORS_STRTO_BASE(u64, strtouq, char)   // NOLINT
 
 INTERCEPTORS_STRTO(double, wcstod, wchar_t)                     // NOLINT
 INTERCEPTORS_STRTO(float, wcstof, wchar_t)                      // NOLINT
@@ -1533,6 +1534,7 @@ void InitializeInterceptors() {
   INTERCEPT_STRTO(strtoul);
   INTERCEPT_STRTO(strtoll);
   INTERCEPT_STRTO(strtoull);
+  INTERCEPT_STRTO(strtouq);
   INTERCEPT_STRTO(wcstod);
   INTERCEPT_STRTO(wcstof);
   INTERCEPT_STRTO(wcstold);
diff --git a/compiler-rt/lib/msan/tests/msan_test.cc b/compiler-rt/lib/msan/tests/msan_test.cc
index 82d659e57837..c53b88b59a19 100644
--- a/compiler-rt/lib/msan/tests/msan_test.cc
+++ b/compiler-rt/lib/msan/tests/msan_test.cc
@@ -1788,6 +1788,7 @@ TEST_STRTO_INT(strtol, char, )
 TEST_STRTO_INT(strtoll, char, )
 TEST_STRTO_INT(strtoul, char, )
 TEST_STRTO_INT(strtoull, char, )
+TEST_STRTO_INT(strtouq, char, )
 
 TEST_STRTO_FLOAT(strtof, char, )
 TEST_STRTO_FLOAT(strtod, char, )