diff --git a/Makefile b/Makefile
index 340a232c8..8de3d234c 100644
--- a/Makefile
+++ b/Makefile
@@ -309,7 +309,7 @@ CXXFLAGS += -std=$(CXXSTD) $(OPT_LEVEL) -D_POSIX_SOURCE -DYOSYS_WIN32_UNIX_DIR
 CXXFLAGS := $(filter-out -fPIC,$(CXXFLAGS))
 LINKFLAGS := $(filter-out -rdynamic,$(LINKFLAGS)) -s
 LIBS := $(filter-out -lrt,$(LIBS))
-ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -DWIN32_NO_DLL -DHAVE_STRUCT_TIMESPEC -fpermissive -w"
+ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -DWIN32_NO_DLL -DWIN32 -DHAVE_STRUCT_TIMESPEC -fpermissive -w"
 ABCMKARGS += LIBS="-lpthread -lshlwapi -s" ABC_USE_NO_READLINE=0 CC="i686-w64-mingw32-gcc" CXX="$(CXX)"
 EXE = .exe
 
@@ -319,7 +319,7 @@ CXXFLAGS += -std=$(CXXSTD) $(OPT_LEVEL) -D_POSIX_SOURCE -DYOSYS_WIN32_UNIX_DIR
 CXXFLAGS := $(filter-out -fPIC,$(CXXFLAGS))
 LINKFLAGS := $(filter-out -rdynamic,$(LINKFLAGS)) -s
 LIBS := $(filter-out -lrt,$(LIBS))
-ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -DWIN32_NO_DLL -DHAVE_STRUCT_TIMESPEC -fpermissive -w"
+ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -DWIN32_NO_DLL -DWIN32 -DHAVE_STRUCT_TIMESPEC -fpermissive -w"
 ABCMKARGS += LIBS="-lpthread -lshlwapi -s" ABC_USE_NO_READLINE=0 CC="x86_64-w64-mingw32-gcc" CXX="$(CXX)"
 EXE = .exe
 
diff --git a/abc b/abc
index f2d68d590..e55d316cc 160000
--- a/abc
+++ b/abc
@@ -1 +1 @@
-Subproject commit f2d68d590fa6f8fc32295a2edd79afc0d14a1414
+Subproject commit e55d316cc9a7f72a84a76eda555aa6ec083c9d0d