diff --git a/components/squeezelite/CMakeLists.txt b/components/squeezelite/CMakeLists.txt
index 21bbe18a..caa0732f 100644
--- a/components/squeezelite/CMakeLists.txt
+++ b/components/squeezelite/CMakeLists.txt
@@ -30,10 +30,10 @@ set_source_files_properties(flac.c
 )
 
 add_definitions(-DLINKALL -DLOOPBACK -DNO_FAAD -DEMBEDDED -DTREMOR_ONLY -DCUSTOM_VERSION=${BUILD_NUMBER})
-if(${DEPTH} EQUAL "32")
+if(DEFINED DEPTH AND ${DEPTH} EQUAL "32")
 add_definitions(-DBYTES_PER_FRAME=8)
 else()
-add_definitions(-DBYTES_PER_FRAME=4)
+add_definitions(-DRESAMPLE16 -DBYTES_PER_FRAME=4)
 endif()
 
 add_compile_options (-O3 )