diff --git a/config/win32-vc-config.py b/config/win32-vc-config.py
index 5c4342d4f30..1e993565e98 100644
--- a/config/win32-vc-config.py
+++ b/config/win32-vc-config.py
@@ -149,7 +149,7 @@ CXX = 'cl.exe'
 
 CCFLAGS = ['/nologo', '/Ob1', '/J', '/W3', '/Gd', '/wd4244', '/wd4305', '/wd4800', '/wd4065', '/wd4267']
 CXXFLAGS = ['/EHsc']
-BGE_CXXFLAGS = ['/O2', '/EHsc', '/GR', '/fp:fast']
+BGE_CXXFLAGS = ['/O2', '/EHsc', '/GR', '/fp:fast', '/arch:SSE']
 
 BF_DEBUG_CCFLAGS = ['/Zi', '/FR${TARGET}.sbr']
 
diff --git a/config/win64-vc-config.py b/config/win64-vc-config.py
index abc90c84f33..ce2fd8cd405 100644
--- a/config/win64-vc-config.py
+++ b/config/win64-vc-config.py
@@ -163,7 +163,7 @@ CXX = 'cl.exe'
 CFLAGS = []
 CCFLAGS = ['/nologo', '/Ob1', '/J', '/W3', '/Gd', '/wd4244', '/wd4305', '/wd4800', '/wd4065', '/wd4267']
 CXXFLAGS = ['/EHsc']
-BGE_CXXFLAGS = ['/O2', '/EHsc', '/GR', '/fp:fast']
+BGE_CXXFLAGS = ['/O2', '/EHsc', '/GR', '/fp:fast', '/arch:SSE2']
 
 BF_DEBUG_CCFLAGS = ['/Zi', '/FR${TARGET}.sbr']