diff --git a/Makefile b/Makefile
index aa1426a1..7754f858 100644
--- a/Makefile
+++ b/Makefile
@@ -76,7 +76,7 @@ endif
 
 include compile.mk
 
-# Standalone launcher
+# Standalone adapter
 
 ifdef ARCH_MAC
 	STANDALONE_LDFLAGS += $(MAC_SDK_FLAGS)
diff --git a/compile.mk b/compile.mk
index b3f208d0..b4d0b867 100644
--- a/compile.mk
+++ b/compile.mk
@@ -26,7 +26,7 @@ endif
 ifdef ARCH_MAC
 	FLAGS += -DARCH_MAC
 	CXXFLAGS += -stdlib=libc++
-	MAC_SDK_FLAGS = -mmacosx-version-min=10.7
+	MAC_SDK_FLAGS := -mmacosx-version-min=10.7
 	FLAGS += $(MAC_SDK_FLAGS)
 endif
 ifdef ARCH_WIN