diff --git a/polymer/eduke32/Makefile.common b/polymer/eduke32/Makefile.common
index c4ede6792..209c9b7c3 100644
--- a/polymer/eduke32/Makefile.common
+++ b/polymer/eduke32/Makefile.common
@@ -270,7 +270,7 @@ endif
 # compiler flags etc.
 BASECFLAGS=
 BASECONLYFLAGS=-Wimplicit -Wdeclaration-after-statement
-BASECXXFLAGS= -fno-exceptions -fno-rtti -fpermissive -Wno-write-strings -Wno-narrowing
+BASECXXFLAGS= -fno-exceptions -fno-rtti -fpermissive -Wno-write-strings
 BASEASFLAGS=-s #-g
 BASELDFLAGS=
 
@@ -281,6 +281,13 @@ ifeq (1,$(strip $(shell expr $(GCC_MAJOR) \>= 4)))
     endif
 endif
 
+# XXX: I (Helixhorned) only know that there's no -Wnarrowing on my OS X 10.6 using GCC 4.2.
+ifeq (1,$(strip $(shell expr $(GCC_MAJOR) \>= 4)))
+    ifeq (1,$(strip $(shell expr $(GCC_MINOR) \>= 3)))
+        BASECXXFLAGS+= -Wno-narrowing
+    endif
+endif
+
 ifeq ($(PLATFORM),WII)
     override USE_LIBVPX = 0
 endif