diff --git a/flang/runtime/reduction.h b/flang/runtime/reduction.h
--- a/flang/runtime/reduction.h
+++ b/flang/runtime/reduction.h
@@ -244,10 +244,10 @@
     int line, int dim = 0, const Descriptor *mask = nullptr);
 std::int32_t RTNAME(MinvalInteger4)(const Descriptor &, const char *source,
     int line, int dim = 0, const Descriptor *mask = nullptr);
-std::int64_t RTNAME(MivalInteger8)(const Descriptor &, const char *source,
+std::int64_t RTNAME(MinvalInteger8)(const Descriptor &, const char *source,
     int line, int dim = 0, const Descriptor *mask = nullptr);
 #ifdef __SIZEOF_INT128__
-common::int128_t RTNAME(MivalInteger16)(const Descriptor &, const char *source,
+common::int128_t RTNAME(MinvalInteger16)(const Descriptor &, const char *source,
     int line, int dim = 0, const Descriptor *mask = nullptr);
 #endif
 float RTNAME(MinvalReal2)(const Descriptor &, const char *source, int line,