diff --git a/workspace_tools/export/gcc_arm_common.tmpl b/workspace_tools/export/gcc_arm_common.tmpl
index 46b70f750d..81944e4a5e 100644
--- a/workspace_tools/export/gcc_arm_common.tmpl
+++ b/workspace_tools/export/gcc_arm_common.tmpl
@@ -25,7 +25,7 @@ CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ff
 CC_FLAGS += -MMD -MP
 CC_SYMBOLS = {% for s in symbols %}-D{{s}} {% endfor %}
 
-LD_FLAGS = -mcpu=cortex-m3 -mthumb -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float
+LD_FLAGS = $(CPU) -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float
 LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys
 {% endblock %}