diff --git a/CMakeLists.txt b/CMakeLists.txt
index c79e3c8..50d4240 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ find_library(GSLCBLAS_LIB gslcblas REQUIRED)
 find_library(EXIF_LIB exif REQUIRED)
 find_library(FITS_LIB cfitsio REQUIRED)
 find_library(RAW_LIB NAMES raw_r REQUIRED)
-find_library(WCS_LIB wcs REQUIRED)
+find_library(WCS_LIB wcs wcslib PATHS REQUIRED)
 
 set(TENMON_SRC
     about.cpp