diff --git a/arch/arm64/src/Toolchain.defs b/arch/arm64/src/Toolchain.defs
index 47d1b55969..bf6a8eb8f5 100644
--- a/arch/arm64/src/Toolchain.defs
+++ b/arch/arm64/src/Toolchain.defs
@@ -166,10 +166,10 @@ endif
 
 ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
   ifeq ($(GCCVER),)
-    export GCCVER := $(shell $(CC) --version | grep gcc | sed -r "s/.* ([0-9]+\.[0-9]+).*/\1/")
+    export GCCVER := $(shell $(CC) --version | grep gcc | sed -r "s/.* ([0-9]+\.[0-9]+).*/\1/" | cut -d'.' -f1)
   endif
 
-  ifeq ($(GCCVER),12.2)
+  ifeq ($(GCCVER),12)
     LDFLAGS += --no-warn-rwx-segments
   endif
 endif