diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65c60ad6dbd710ae708fe067f24f98acc29a9ffb..e3ff72d37f27fa812b3af1fb9220d41eb968766d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1336,7 +1336,7 @@ endif(NOWARN)
 check_cxx_compiler_flag("-O0" NOOPT)
 if(NOOPT OR ENABLE_BUILD_IOS)
   if(ENABLE_BUILD_IOS) # optimized iOS 10 64 bits screws somewhere in Geo
-    file(GLOB_RECURSE NOOPT_SRC Geo/*.cpp Mesh/BDS.cpp Parser/Gmsh.tab.cpp
+    file(GLOB_RECURSE NOOPT_SRC Geo/G*.cpp Mesh/BDS.cpp Parser/Gmsh.tab.cpp
          contrib/Tetgen1.5/predicates.cxx)
   else(ENABLE_BUILD_IOS)
     file(GLOB_RECURSE NOOPT_SRC Mesh/BDS.cpp Parser/Gmsh.tab.cpp