@ doesn't expand there, snappy doesn't exist
diff --git a/c/CMakeLists.txt b/c/CMakeLists.txt
index aa923e1..f76bc88 100644
--- a/c/CMakeLists.txt
+++ b/c/CMakeLists.txt
@@ -176,7 +176,7 @@ else (LZMA_FOUND)
 endif (LZMA_FOUND)
 
 set(CODEC_LIBRARIES ${ZLIB_LIBRARIES} ${LZMA_LIBRARIES} ${SNAPPY_LIBRARIES})
-set(CODEC_PKG "@ZLIB_PKG@ @LZMA_PKG@ @SNAPPY_PKG@")
+set(CODEC_PKG "${ZLIB_PKG} ${LZMA_PKG}")
 
 # Jansson JSON library
 pkg_check_modules(JANSSON jansson>=2.3)