diff --git a/src/build/Common.gmake b/src/build/Common.gmake
index a9704a34d727c0295f4e584df0df96f433efdd01..c502c0480aecaed9fd760286f6b14b03e529231e 100644
--- a/src/build/Common.gmake
+++ b/src/build/Common.gmake
@@ -320,7 +320,7 @@ ifeq ($(os),haiku)
  CFLAGS	+=	-D__unix__ -DNEEDS_FORKPTY
 endif
 ifeq ($(os),darwin)
- MIN_MAC_OSX_VERSION = 10.5
+ MIN_MAC_OSX_VERSION = 10.6
  CFLAGS +=  -D__unix__ -fno-common -D__DARWIN__
  CFLAGS +=  -mmacosx-version-min=$(MIN_MAC_OSX_VERSION)
  LDFLAGS += -mmacosx-version-min=$(MIN_MAC_OSX_VERSION)