diff --git a/CMakeLists.txt b/CMakeLists.txt
index 619cd0ce3..258398199 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -276,13 +276,13 @@ IF ((CMAKE_C_COMPILER_ID MATCHES "GNU") AND NOT MINGW AND NOT HAIKU)
   ENDIF()
   # hide all not-exported symbols
   IF(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "mips64" )
-    SET(CMAKE_CXX_FLAGS "-mxgot -fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
-    SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
-    SET(LIBSTDC++_LIBRARIES -lstdc++)
+	SET(CMAKE_CXX_FLAGS "-mxgot -fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
+	SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
+	SET(LIBSTDC++_LIBRARIES -lstdc++)
   ELSE()
-    SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
-    SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
-    SET(LIBSTDC++_LIBRARIES -lstdc++)
+	SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
+	SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
+	SET(LIBSTDC++_LIBRARIES -lstdc++)
   ENDIF()
 ELSEIF(MSVC)
   # enable multi-core compilation with MSVC
@@ -299,7 +299,7 @@ ELSEIF(MSVC)
   # supress warning for double to float conversion if Double precision is activated
   ADD_COMPILE_OPTIONS(/wd4244)
   SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")
-  SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
+  SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
   SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")
 ELSEIF (CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
   IF(NOT ASSIMP_HUNTER_ENABLED)