diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4513280..0bf57cb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,7 +120,7 @@ find_files(SVA_GUI_FILES "./src/" hpp cpp h c hxx cxx)
 add_executable(${GUI_TARGET_NAME}
   ${SVA_GUI_FILES}
 )
-
+target_compile_definitions(${GUI_TARGET_NAME} PUBLIC "$<$<CONFIG:DEBUG>:_DEBUG>")
 source_group(TREE ${PROJECT_SOURCE_DIR}/src/ PREFIX "Source" FILES ${SVA_GUI_FILES})
 
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