diff --git a/build/tizen.ini b/build/tizen.ini
index e5ed2536..06dd5481 100644
--- a/build/tizen.ini
+++ b/build/tizen.ini
@@ -16,8 +16,8 @@ cfg_x86_host_machine="i386-linux-gnueabi"
 #only cross compile should define thse variables
 cfg_is_cross_compile=yes
 #all these values are arch-specificed values
-cfg_armv7_toolchain_bin="${TIZEN_SDK}/tools/arm-linux-gnueabi-gcc-${cfg_default_gcc_version}/bin"
-cfg_x86_toolchain_bin="${TIZEN_SDK}/tools/i386-linux-gnueabi-gcc-${cfg_default_gcc_version}/bin"
+cfg_armv7_toolchain_bin="${TIZEN_STUDIO_HOME}/tools/arm-linux-gnueabi-gcc-${cfg_default_gcc_version}/bin"
+cfg_x86_toolchain_bin="${TIZEN_STUDIO_HOME}/tools/i386-linux-gnueabi-gcc-${cfg_default_gcc_version}/bin"
 
 
 #build arches and build libraries
diff --git a/contrib/bootstrap b/contrib/bootstrap
index fa5b551c..b1a16030 100755
--- a/contrib/bootstrap
+++ b/contrib/bootstrap
@@ -345,8 +345,8 @@ check_android_sdk()
 
 check_tizen_sdk()
 {
-    [ -z "${TIZEN_SDK}" ] && echo "You must set TIZEN_SDK environment variable" && exit 1
-    add_make "TIZEN_SDK := ${TIZEN_SDK}"
+    [ -z "${TIZEN_STUDIO_HOME}" ] && echo "You must set TIZEN_STUDIO_HOME environment variable" && exit 1
+    add_make "TIZEN_STUDIO_HOME := ${TIZEN_STUDIO_HOME}"
 }
 
 test -z "$PREFIX" || add_make "PREFIX := $PREFIX"
diff --git a/contrib/src/main.mak b/contrib/src/main.mak
index 52fe1a8d..69fb286b 100644
--- a/contrib/src/main.mak
+++ b/contrib/src/main.mak
@@ -97,11 +97,11 @@ endif
 
 ifdef HAVE_TIZEN
 ifeq ($(ARCH),arm)
-CC := ${HOST}-gcc --sysroot=$(TIZEN_SDK)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-device.core
-CXX := ${HOST}-g++ --sysroot=$(TIZEN_SDK)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-device.core
+CC := ${HOST}-gcc --sysroot=$(TIZEN_STUDIO_HOME)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-device.core
+CXX := ${HOST}-g++ --sysroot=$(TIZEN_STUDIO_HOME)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-device.core
 else
-CC := ${HOST}-gcc --sysroot=$(TIZEN_SDK)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-emulator.core
-CXX := ${HOST}-g++ --sysroot=$(TIZEN_SDK)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-emulator.core
+CC := ${HOST}-gcc --sysroot=$(TIZEN_STUDIO_HOME)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-emulator.core
+CXX := ${HOST}-g++ --sysroot=$(TIZEN_STUDIO_HOME)/platforms/tizen-$(TIZEN_SDK_VERSION)/mobile/rootstraps/mobile-$(TIZEN_SDK_VERSION)-emulator.core
 endif
 endif