diff --git a/CMakeLists.txt b/CMakeLists.txt
index b36c30d..ed86b89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,12 @@ include(Version)
 set(CMAKE_MACOSX_RPATH 0)
 
 execute_process(COMMAND ../src/configure WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
-execute_process(COMMAND make CFLAGS+=-DGIT_VERSION=\\"${GIT_VERSION}\\" WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    execute_process(COMMAND make CFLAGS+=-DGIT_VERSION=\\"${GIT_VERSION}\\" CFLAGS+=-g WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
+else()
+    execute_process(COMMAND make CFLAGS+=-DGIT_VERSION=\\"${GIT_VERSION}\\"  WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
+endif()
+
 
 execute_process(COMMAND cp tcpdump tcpdump_mesa WORKING_DIRECTORY ${CMAKE_BINARY_DIR})