diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c73b15533..8218d586c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,7 +6,7 @@ INCLUDE(CheckIncludeFiles)
 INCLUDE(CheckLibraryExists)
 
 # Add custom SemiDebug build mode
-set(CMAKE_CXX_FLAGS_SEMIDEBUG "-O1 -g -Wall -Wabi=11" CACHE STRING
+set(CMAKE_CXX_FLAGS_SEMIDEBUG "-O1 -g -Wall -Wabi" CACHE STRING
 	"Flags used by the C++ compiler during semidebug builds."
 	FORCE
 )
@@ -724,8 +724,8 @@ else()
 	else()
 		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -ffast-math -fomit-frame-pointer")
 	endif(CMAKE_SYSTEM_NAME MATCHES "(Darwin|FreeBSD)")
-	set(CMAKE_CXX_FLAGS_SEMIDEBUG "-g -O1 -Wall -Wabi=11 ${WARNING_FLAGS} ${OTHER_FLAGS}")
-	set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wabi=11 ${WARNING_FLAGS} ${OTHER_FLAGS}")
+	set(CMAKE_CXX_FLAGS_SEMIDEBUG "-g -O1 -Wall -Wabi ${WARNING_FLAGS} ${OTHER_FLAGS}")
+	set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wabi ${WARNING_FLAGS} ${OTHER_FLAGS}")
 
 	if(USE_GPROF)
 		set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -pg")