diff --git a/CMakeLists.txt b/CMakeLists.txt
index dd0b95f1..dea9ba1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,6 +124,10 @@ if (MSVC)
 	add_definitions("/wd4244") # disable "conversion from .. to .., possible loss of data" warning
 	add_definitions("/wd4018") # disable "signed/unsigned mismatch" warning
 	add_definitions("/wd4200") # disable "nonstandard extension used: zero-sized array in struct/union" warning
+	add_definitions("/wd4264") # disable "conversion from 'size_t' to 'int', possible loss of data" warning
+	add_definitions("/wd4267") # disable "conversion from 'size_t' to 'int', possible loss of data" warning
+	add_definitions("/wd4305") # disable "truncation from 'double' to 'float'" warning
+	
 endif (MSVC)
 
 # 10.9: minimum version that supports unordered_map