diff --git a/win/patches/V7_3_0p3.patch b/win/patches/V7_3_0p3.patch
index efc9154b75..637c8c5de7 100644
--- a/win/patches/V7_3_0p3.patch
+++ b/win/patches/V7_3_0p3.patch
@@ -27,7 +27,7 @@ index 09da18d38..a07b9cf74 100644
 +# set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception")
 +# set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception")
 +
-+if (MSVC)
++if (OCCT_USE_STATIC_RUNTIME AND MSVC)
 +    foreach(flag CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL
 +            CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 +            CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)