diff --git a/makefiles/boards/sam0.inc.mk b/makefiles/boards/sam0.inc.mk
index a9f6895d62..4f9c3e30f6 100644
--- a/makefiles/boards/sam0.inc.mk
+++ b/makefiles/boards/sam0.inc.mk
@@ -28,7 +28,7 @@ ifeq ($(DEBUG_ADAPTER),dap)
   PROGRAMMER ?= edbg
 else ifeq ($(DEBUG_ADAPTER),jlink)
   # only use JLinkExe if it's installed
-  ifneq (,$(shell command -v JLinkExe)))
+  ifneq (,$(shell command -v JLinkExe))
     PROGRAMMER ?= jlink
   else
     PROGRAMMER ?= openocd