diff --git a/Makefile b/Makefile
index 5ea087892..cb5d43e02 100644
--- a/Makefile
+++ b/Makefile
@@ -23,11 +23,12 @@ ANDROID_BUILD := $(ANDROID_BUILD_DIR)/Lndmobile.aar
 
 COMMIT := $(shell git describe --tags --dirty)
 
-GO_VERSION := $(shell go version | sed -nre 's/^[^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p')
-GO_VERSION_MINOR := $(shell echo $(GO_VERSION) | cut -d. -f2)
+# Determine the minor version of the active Go installation.
+ACTIVE_GO_VERSION := $(shell go version | sed -nre 's/^[^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p')
+ACTIVE_GO_VERSION_MINOR := $(shell echo $(ACTIVE_GO_VERSION) | cut -d. -f2)
 
 LOOPVARFIX :=
-ifeq ($(shell expr $(GO_VERSION_MINOR) \>= 21), 1)
+ifeq ($(shell expr $(ACTIVE_GO_VERSION_MINOR) \>= 21), 1)
 	LOOPVARFIX := GOEXPERIMENT=loopvar
 endif