diff --git a/cmake/Findllvm.cmake b/cmake/Findllvm.cmake
index 6bee52c315..59d8e1352b 100644
--- a/cmake/Findllvm.cmake
+++ b/cmake/Findllvm.cmake
@@ -55,13 +55,13 @@ elseif("${ZIG_TARGET_TRIPLE}" STREQUAL "native")
     OUTPUT_STRIP_TRAILING_WHITESPACE)
 
   if("${LLVM_CONFIG_VERSION}" VERSION_LESS 10)
-    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION}")
+    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
   endif()
   if("${LLVM_CONFIG_VERSION}" VERSION_EQUAL 11)
-    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION}")
+    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
   endif()
   if("${LLVM_CONFIG_VERSION}" VERSION_GREATER 11)
-    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION}")
+    message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
   endif()
 
   execute_process(
@@ -72,7 +72,7 @@ elseif("${ZIG_TARGET_TRIPLE}" STREQUAL "native")
   function(NEED_TARGET TARGET_NAME)
       list (FIND LLVM_TARGETS_BUILT "${TARGET_NAME}" _index)
       if (${_index} EQUAL -1)
-          message(FATAL_ERROR "LLVM is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled.")
+          message(FATAL_ERROR "LLVM (according to ${LLVM_CONFIG_EXE}) is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled.")
       endif()
   endfunction(NEED_TARGET)
   NEED_TARGET("AArch64")