diff --git a/src/arith_uint256.cpp b/src/arith_uint256.cpp
index b1dbb0788ed9..0646d783684b 100644
--- a/src/arith_uint256.cpp
+++ b/src/arith_uint256.cpp
@@ -5,6 +5,7 @@
 
 #include <arith_uint256.h>
 
+#include <limits>
 #include <uint256.h>
 #include <crypto/common.h>
 
@@ -72,6 +73,23 @@ base_uint<BITS>& base_uint<BITS>::operator*=(const base_uint& b)
     return *this;
 }
 
+template <unsigned int BITS>
+base_uint<BITS>& base_uint<BITS>::operator/=(uint64_t b32)
+{
+    if (b32 == 0)
+        throw uint_error("Division by zero");
+    if (b32 > std::numeric_limits<uint32_t>::max()) {
+        return *this /= base_uint(b32);
+    }
+    uint64_t rem = 0;
+    for (int i = WIDTH - 1; i >= 0; --i) {
+        uint64_t cur = (rem << 32) | pn[i];
+        pn[i] = static_cast<uint32_t>(cur / b32);
+        rem = cur % b32;
+    }
+    return *this;
+}
+
 template <unsigned int BITS>
 base_uint<BITS>& base_uint<BITS>::operator/=(const base_uint& b)
 {
diff --git a/src/arith_uint256.h b/src/arith_uint256.h
index 009f939c1ac2..9f200915ee05 100644
--- a/src/arith_uint256.h
+++ b/src/arith_uint256.h
@@ -158,6 +158,7 @@ class base_uint
 
     base_uint& operator*=(uint32_t b32);
     base_uint& operator*=(const base_uint& b);
+    base_uint& operator/=(uint64_t b32);
     base_uint& operator/=(const base_uint& b);
 
     base_uint& operator++()
@@ -207,6 +208,7 @@ class base_uint
     friend inline base_uint operator>>(const base_uint& a, int shift) { return base_uint(a) >>= shift; }
     friend inline base_uint operator<<(const base_uint& a, int shift) { return base_uint(a) <<= shift; }
     friend inline base_uint operator*(const base_uint& a, uint32_t b) { return base_uint(a) *= b; }
+    friend inline base_uint operator/(const base_uint& a, uint64_t b) { return base_uint(a) /= b; }
     friend inline bool operator==(const base_uint& a, const base_uint& b) { return memcmp(a.pn, b.pn, sizeof(a.pn)) == 0; }
     friend inline bool operator!=(const base_uint& a, const base_uint& b) { return memcmp(a.pn, b.pn, sizeof(a.pn)) != 0; }
     friend inline bool operator>(const base_uint& a, const base_uint& b) { return a.CompareTo(b) > 0; }
diff --git a/src/test/arith_uint256_tests.cpp b/src/test/arith_uint256_tests.cpp
index a3408a3fa99c..6f41c0167894 100644
--- a/src/test/arith_uint256_tests.cpp
+++ b/src/test/arith_uint256_tests.cpp
@@ -361,6 +361,19 @@ BOOST_AUTO_TEST_CASE( divide )
     BOOST_CHECK(R2L / MaxL == ZeroL);
     BOOST_CHECK(MaxL / R2L == 1);
     BOOST_CHECK_THROW(R2L / ZeroL, uint_error);
+
+    // The integer-divisor overload must be bit-identical to dividing by the same
+    // value widened to arith_uint256, for both the fast word-wise path
+    // (<= uint32 max) and the arith_uint256 fallback above it.
+    for (uint64_t d : {uint64_t{1}, uint64_t{2}, uint64_t{24}, uint64_t{3600},
+                       uint64_t{std::numeric_limits<uint32_t>::max()},
+                       uint64_t{std::numeric_limits<uint32_t>::max()} + 1,
+                       uint64_t{0xFEDCBA9876543210}}) {
+        BOOST_CHECK(R1L / d == R1L / arith_uint256(d));
+        BOOST_CHECK(R2L / d == R2L / arith_uint256(d));
+        BOOST_CHECK(MaxL / d == MaxL / arith_uint256(d));
+    }
+    BOOST_CHECK_THROW(R1L / uint64_t{0}, uint_error);
 }