diff --git a/graphics/printing/hello-world/Makefile b/graphics/printing/hello-world/Makefile
index 76315fc..e4beac7 100644
--- a/graphics/printing/hello-world/Makefile
+++ b/graphics/printing/hello-world/Makefile
@@ -39,7 +39,7 @@ EXEFS_SRC	:=	exefs_src
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-ARCH	:=	-march=armv8-a -mtp=soft -fPIE
+ARCH	:=	-march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
 
 CFLAGS	:=	-g -Wall -O2 \
 			-ffast-math \
diff --git a/graphics/simplegfx/Makefile b/graphics/simplegfx/Makefile
index 76315fc..e4beac7 100644
--- a/graphics/simplegfx/Makefile
+++ b/graphics/simplegfx/Makefile
@@ -39,7 +39,7 @@ EXEFS_SRC	:=	exefs_src
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-ARCH	:=	-march=armv8-a -mtp=soft -fPIE
+ARCH	:=	-march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
 
 CFLAGS	:=	-g -Wall -O2 \
 			-ffast-math \
diff --git a/templates/simple/Makefile b/templates/simple/Makefile
index 5ab3ea9..2108a28 100644
--- a/templates/simple/Makefile
+++ b/templates/simple/Makefile
@@ -39,7 +39,7 @@ EXEFS_SRC	:=	exefs_src
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-ARCH	:=	-march=armv8-a -mtp=soft -fPIE
+ARCH	:=	-march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
 
 CFLAGS	:=	-g -Wall -O2 \
 			-ffast-math \
diff --git a/usb/usbds/Makefile b/usb/usbds/Makefile
index 76315fc..e4beac7 100644
--- a/usb/usbds/Makefile
+++ b/usb/usbds/Makefile
@@ -39,7 +39,7 @@ EXEFS_SRC	:=	exefs_src
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-ARCH	:=	-march=armv8-a -mtp=soft -fPIE
+ARCH	:=	-march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
 
 CFLAGS	:=	-g -Wall -O2 \
 			-ffast-math \