diff --git a/scripts/common-envs.mk b/scripts/common-envs.mk
index bdff841b..ec11ada4 100644
--- a/scripts/common-envs.mk
+++ b/scripts/common-envs.mk
@@ -17,6 +17,8 @@ endif
 
 # Get the name of the selected docker buildx builder
 BUILDER ?= $(shell docker buildx inspect --bootstrap | head -n2 | awk '/^Name:/{print $$NF}')
-# Get platforms supported by the builder
-PLATFORM ?= $(shell docker buildx ls --format=json | jq -r 'select(.Name == "$(BUILDER)") | [.Nodes[].Platforms // []] | flatten | unique | map(select(test("^linux/amd64$$|^linux/arm64$$"))) | join(",")')
 
+# Get platforms supported by the builder (only if PLATFORM is not provided)
+ifeq ($(origin PLATFORM), undefined)
+PLATFORM := $(shell docker buildx ls --format=json | jq -r 'select(.Name == "$(BUILDER)") | [.Nodes[].Platforms // []] | flatten | unique | map(select(test("^linux/amd64$$|^linux/arm64$$"))) | join(",")')
+endif