1 files changed, 1 insertions, 0 deletions
diff --git a/win32/makefile b/win32/makefile
index 72634889f..5db9e6625 100644
--- a/win32/makefile
+++ b/win32/makefile
@@ -23,6 +23,7 @@ else
 # MinGW GCC
 LIBSMINGW = -lstdc++
 STRIPOPTION = -s
+WARNINGS += -Wconversion
 endif
 ARFLAGS = rc
 RANLIB ?= ranlib