diff --git a/src/info.cpp b/src/info.cpp
index 48c6a941e8..9f6a977468 100644
--- a/src/info.cpp
+++ b/src/info.cpp
@@ -1316,7 +1316,11 @@ std::string Info::get_os_info()
 std::string Info::get_compiler_info()
 {
   std::string buf;
-#if __clang__
+#if __INTEL_LLVM_COMPILER
+  double version = static_cast<double>(__INTEL_COMPILER)*0.01;
+  buf = fmt::format("Intel LLVM C++ {:.2f}.{} / {}", version,
+                    __INTEL_COMPILER_UPDATE, __VERSION__);
+#elif __clang__
   buf = fmt::format("Clang C++ {}", __VERSION__);
 #elif __PGI
   buf = fmt::format("PGI C++ {}.{}",__PGIC__,__PGIC_MINOR__);
diff --git a/src/lmptype.h b/src/lmptype.h
index 264b93a329..3e6f90f58e 100644
--- a/src/lmptype.h
+++ b/src/lmptype.h
@@ -242,7 +242,7 @@ The typecasts prevent compiler warnings about possible truncation issues.
 
 // define stack variable alignment
 
-#if defined(__INTEL_COMPILER)
+#if defined(__INTEL_LLVM_COMPILER) || defined(__INTEL_COMPILER)
 #define _alignvar(expr,val) __declspec(align(val)) expr
 #elif defined(__GNUC__)
 #define _alignvar(expr,val) expr __attribute((aligned(val)))
@@ -252,7 +252,7 @@ The typecasts prevent compiler warnings about possible truncation issues.
 
 // declaration to lift aliasing restrictions
 
-#if defined(__INTEL_COMPILER)
+#if defined(__INTEL_LLVM_COMPILER) || defined(__INTEL_COMPILER)
 #define _noalias restrict
 #elif defined(__GNUC__)
 #define _noalias __restrict
diff --git a/src/omp_compat.h b/src/omp_compat.h
index 366dd9371c..8587548615 100644
--- a/src/omp_compat.h
+++ b/src/omp_compat.h
@@ -29,7 +29,9 @@
 // autodetect OpenMP compatibility if not explicitly set
 
 #ifndef LAMMPS_OMP_COMPAT
-#  if defined(__INTEL_COMPILER)
+#  if defined(__INTEL_LLVM_COMPILER)
+#      define LAMMPS_OMP_COMPAT 4
+#  elif defined(__INTEL_COMPILER)
 #    if __INTEL_COMPILER > 18
 #      define LAMMPS_OMP_COMPAT 4
 #    endif