diff --git a/lib/Makefile.m32 b/lib/Makefile.m32
index de44c66ea1a42a08c4bc2d6c3e32fff1e4966b4b..f6ef0a30f6d4def654be3e3a50d4bd49793fc17a 100644
--- a/lib/Makefile.m32
+++ b/lib/Makefile.m32
@@ -67,8 +67,7 @@ STRIP	= $(CROSSPREFIX)strip -g
 
 # Set environment var ARCH to your architecture to override autodetection.
 ifndef ARCH
-TARGET	:= $(shell $(CC) -dumpmachine)
-ifeq ($(findstring x86_64,$(TARGET)),x86_64)
+ifeq ($(findstring x86_64,$(shell $(CC) -dumpmachine)),x86_64)
 ARCH	= w64
 else
 ARCH	= w32
diff --git a/src/Makefile.m32 b/src/Makefile.m32
index 4f1c99bdd04209f9e2f14cdbaa39a5c922dc3a31..22269298cf5b9f12ec14e39f293368916c91e494 100644
--- a/src/Makefile.m32
+++ b/src/Makefile.m32
@@ -82,8 +82,7 @@ STRIP   = $(CROSSPREFIX)strip -g
 
 # Set environment var ARCH to your architecture to override autodetection.
 ifndef ARCH
-TARGET  := $(shell $(CC) -dumpmachine)
-ifeq ($(findstring x86_64,$(TARGET)),x86_64)
+ifeq ($(findstring x86_64,$(shell $(CC) -dumpmachine)),x86_64)
 ARCH    = w64
 else
 ARCH    = w32