diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index d50b5c84..3cf24f0b 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -80,4 +80,12 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
         endif()
     endif()
 
+elseif (CMAKE_CXX_COMPILER_ID MATCHES Intel)
+
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -funroll-loops")
+
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-exceptions -fno-rtti")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -funroll-loops")
+
 endif()
diff --git a/src/crypto/CryptoNight.h b/src/crypto/CryptoNight.h
index b1ec2371..e9285853 100644
--- a/src/crypto/CryptoNight.h
+++ b/src/crypto/CryptoNight.h
@@ -29,7 +29,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#if defined _MSC_VER || defined XMRIG_ARM
+#if defined _MSC_VER || defined XMRIG_ARM || defined __INTEL_COMPILER
 #define ABI_ATTRIBUTE
 #else
 #define ABI_ATTRIBUTE __attribute__((ms_abi))
diff --git a/src/crypto/CryptoNight_x86.h b/src/crypto/CryptoNight_x86.h
index 202b662a..c4eca53b 100644
--- a/src/crypto/CryptoNight_x86.h
+++ b/src/crypto/CryptoNight_x86.h
@@ -517,8 +517,10 @@ static inline __m128i int_sqrt_v2(const uint64_t n0)
     r >>= 19;
 
     uint64_t x2 = (s - (1022ULL << 32)) * (r - s - (1022ULL << 32) + 1);
-#   if (defined(_MSC_VER) || __GNUC__ > 7 || (__GNUC__ == 7 && __GNUC_MINOR__ > 1)) && (defined(__x86_64__) || defined(_M_AMD64))
+#   if (defined(_MSC_VER) || __GNUC__ > 7 || (__GNUC__ == 7 && __GNUC_MINOR__ > 1)) && (defined(__x86_64__) || defined(_M_AMD64)) && !defined(__INTEL_COMPILER)
     _addcarry_u64(_subborrow_u64(0, x2, n0, (unsigned long long int*)&x2), r, 0, (unsigned long long int*)&r);
+#   elif defined(__INTEL_COMPILER)
+    _addcarry_u64(_subborrow_u64(0, x2, n0, (unsigned long int*)&x2), r, 0, (unsigned long int*)&r);
 #   else
     if (x2 < n0) ++r;
 #   endif