diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a4a6d89d8b..f7b8dd1aed 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -166,7 +166,7 @@ else( WIN32 )
 	if( NOT SDL_FOUND )
 		message( SEND_ERROR "SDL is required for building." )
 	endif( NOT SDL_FOUND )
-	set( ZDOOM_LIBS "${SDL_LIBRARY}" )
+	set( ZDOOM_LIBS ${ZDOOM_LIBS} "${SDL_LIBRARY}" )
 	include_directories( "${SDL_INCLUDE_DIR}" )
 
 	find_path( FPU_CONTROL_DIR fpu_control.h )