diff --git a/devices/Makefile.am b/devices/Makefile.am
index 26611916..f66c258a 100644
--- a/devices/Makefile.am
+++ b/devices/Makefile.am
@@ -54,7 +54,7 @@ EXTRA_DIST = \
 	forcedeth-2.6.19-orig.c
 
 modules:
-	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_top_srcdir@" modules
+	$(MAKE) -C "@abs_top_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)
diff --git a/devices/e1000/Makefile.am b/devices/e1000/Makefile.am
index 7b767aed..7e1c0363 100644
--- a/devices/e1000/Makefile.am
+++ b/devices/e1000/Makefile.am
@@ -64,7 +64,7 @@ EXTRA_DIST = \
 	LICENSE
 
 modules:
-	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_top_srcdir@" modules
+	$(MAKE) -C "@abs_top_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)
diff --git a/master/Makefile.am b/master/Makefile.am
index f308bf16..8eece623 100644
--- a/master/Makefile.am
+++ b/master/Makefile.am
@@ -57,7 +57,7 @@ EXTRA_DIST = \
 	xmldev.c xmldev.h
 
 modules:
-	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_top_srcdir@" modules
+	$(MAKE) -C "@abs_top_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)