diff --git a/src/Make_ming.mak b/src/Make_ming.mak
index 47b1910..7cbceb8 100644
--- a/src/Make_ming.mak
+++ b/src/Make_ming.mak
@@ -254,14 +254,14 @@
 CFLAGS = -Iproto $(DEFINES) -pipe -w -march=$(ARCH) -Wall
 
 ifdef GETTEXT
-DEFINES +=-DHAVE_GETTEXT -DHAVE_LOCALE_H
+DEFINES += -DHAVE_GETTEXT -DHAVE_LOCALE_H
 GETTEXTINCLUDE = $(GETTEXT)/include
 GETTEXTLIB = $(INTLPATH)
 ifeq (yes, $(GETTEXT))
-DEFINES +=-DDYNAMIC_GETTEXT
+DEFINES += -DDYNAMIC_GETTEXT
 else
 ifdef DYNAMIC_GETTEXT
-DEFINES +=-D$(DYNAMIC_GETTEXT)
+DEFINES += -D$(DYNAMIC_GETTEXT)
 ifdef GETTEXT_DYNAMIC
 DEFINES += -DGETTEXT_DYNAMIC -DGETTEXT_DLL=\"$(GETTEXT_DYNAMIC)\"
 endif