--- src/Makefile.orig	2021-07-12 22:30:20 UTC
+++ src/Makefile
@@ -159,11 +159,11 @@ $(LIBXLSXWRITER_A) : $(OBJS)
 
 # The dynamic library.
 ifeq ($(findstring m32,$(CFLAGS)),m32)
-ARCH = -m32
+XSLX_ARCH = -m32
 endif
 
 $(LIBXLSXWRITER_SO) : $(SOBJS)
-	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(ARCH) $(TARGET_ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $(DTOA_LIB_SO) $^ $(LIBS)
+	$(Q)$(CC) $(LDFLAGS) $(SOFLAGS) $(XSLX_ARCH) $(TARGET_ARCH) -o $@ $(MINIZIP_SO) $(TMPFILEPLUS_SO) $(MD5_SO) $(DTOA_LIB_SO) $^ $(LIBS)
 
 # The test library.
 $(LIBXLSXWRITER_TO) : $(TOBJS)