diff --git a/make/defs.mk b/make/defs.mk
index 0c871731..17936265 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -210,8 +210,10 @@ GCC_MINOR              = $(shell  gcc -v 2>&1 | grep version | awk '{ split($$3,
 GCC_REV                = $(shell  gcc -v 2>&1 | grep version | awk '{ split($$3,a,"."); print a[3];}')
 
 ifneq ($(GCC_VERSION),4.1.0)
+ifneq ($(GCC_VERSION),4.5.1)
 BUILD_CPPFLAGS        += -std=c++11
 endif
+endif
 
 LD_VERSION             = $(shell ld -V | $(SED) '/GNU ld/ !d; s/(.*)//; s/[^0-9.-]*//')
 LD_MAJOR               = $(shell echo $(LD_VERSION) | cut -d. -f1)