diff --git a/os/common/ports/ARMCMx/compilers/GCC/rules.mk b/os/common/ports/ARMCMx/compilers/GCC/rules.mk
index 11dd532f0..96c051692 100644
--- a/os/common/ports/ARMCMx/compilers/GCC/rules.mk
+++ b/os/common/ports/ARMCMx/compilers/GCC/rules.mk
@@ -64,9 +64,12 @@ endif
 OUTFILES = $(BUILDDIR)/$(PROJECT).elf \
            $(BUILDDIR)/$(PROJECT).hex \
            $(BUILDDIR)/$(PROJECT).bin \
-           $(BUILDDIR)/$(PROJECT).srec\
            $(BUILDDIR)/$(PROJECT).dmp
 
+ifdef SREC
+OUTFILES += $(BUILDDIR)/$(PROJECT).srec
+endif
+
 # Source files groups and paths
 ifeq ($(USE_THUMB),yes)
   TCSRC += $(CSRC)