diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9266da5db..476dfd14b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -271,7 +271,7 @@ set(RESOURCES
 )
 
 set(LINGUAS "All" CACHE STRING "A space-seperated list of translations to compile in to Clementine, or \"None\".")
-if (${LINGUAS} STREQUAL "All")
+if ("${LINGUAS}" STREQUAL "All")
   set (LANGUAGES
     ar
     cs
@@ -299,14 +299,14 @@ if (${LINGUAS} STREQUAL "All")
     zh_CN
     zh_TW
   )
-else (${LINGUAS} STREQUAL "All")
-  if (${LINGUAS} STREQUAL "None")
+else ("${LINGUAS}" STREQUAL "All")
+  if (NOT "${LINGUAS}" OR "${LINGUAS}" STREQUAL "None")
     set (LANGUAGES "")
-  else (${LINGUAS} STREQUAL "None")
+  else (NOT "${LINGUAS}" OR "${LINGUAS}" STREQUAL "None")
     string(REGEX MATCHALL [a-zA-Z_]+
            LANGUAGES ${LINGUAS})
-  endif (${LINGUAS} STREQUAL "None")
-endif (${LINGUAS} STREQUAL "All")
+  endif (NOT "${LINGUAS}" OR "${LINGUAS}" STREQUAL "None")
+endif ("${LINGUAS}" STREQUAL "All")
 
 # Engines
 set(GST_ENGINE_SRC engines/gstengine.cpp engines/gstequalizer.cpp engines/gstenginepipeline.cpp)