diff --git a/extern/EtcLib/CMakeLists.txt b/extern/EtcLib/CMakeLists.txt
index b584b88..044b92b 100644
--- a/extern/EtcLib/CMakeLists.txt
+++ b/extern/EtcLib/CMakeLists.txt
@@ -21,4 +21,4 @@ file(GLOB SOURCES
 	${PROJECT_SOURCE_DIR}/EtcCodec/*.h
 	${PROJECT_SOURCE_DIR}/Etc/*.cpp
 	${PROJECT_SOURCE_DIR}/EtcCodec/*.cpp)
-ADD_LIBRARY(EtcLib ${SOURCES})
+ADD_LIBRARY(EtcLib STATIC ${SOURCES})