diff --git a/makefiles/toolchain/gnu.inc.mk b/makefiles/toolchain/gnu.inc.mk
index 8c9785690b..e3e10485b5 100644
--- a/makefiles/toolchain/gnu.inc.mk
+++ b/makefiles/toolchain/gnu.inc.mk
@@ -23,7 +23,7 @@ endif
 _OBJDUMP         := $(or $(shell command -v $(PREFIX)objdump || command -v gobjdump),objdump)
 OBJDUMP   ?= $(_OBJDUMP)
 
-GCC_VERSION := $(shell $(CC) -dumpversion | cut -d . -f 1)
+GCC_VERSION := $(shell command -v $(CC) > /dev/null && $(CC) -dumpversion | cut -d . -f 1)
 
 # -fmacro-prefix-map requires GCC 8
 ifneq (8, $(firstword $(shell echo 8 $(GCC_VERSION) | tr ' ' '\n' | sort -n)))