diff --git a/CMakeLists.txt b/CMakeLists.txt
index 662a2c9..7438caf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,10 @@
   endif()
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_CXX_FLAGS} -Wmissing-prototypes -Wold-style-definition -Wstrict-prototypes")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 ${C_CXX_FLAGS} -Wmissing-declarations")
-  set(CMAKE_ASM_FLAGS "-Wa,-g")
+  # Clang's integerated assembler does not support debug symbols.
+  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,-g")
+  endif()
 elseif(MSVC)
   set(MSVC_DISABLED_WARNINGS_LIST
       "C4100" # 'exarg' : unreferenced formal parameter