diff --git a/kernel/Module.mk b/kernel/Module.mk
index cf8717e4..61c0b2de 100644
--- a/kernel/Module.mk
+++ b/kernel/Module.mk
@@ -35,8 +35,8 @@ all-kernel: $(KERNELTARGETS)
 all :: all-kernel
 
 install-kernel: all-kernel
-	$(MKDIR) $(DESTDIR)$(MODDIR)
-	if [ -n "$(DESTDIR)$(MODDIR)" ] ; then \
+	if [ -n "$(KERNELTARGETS)" ] ; then \
+	  $(MKDIR) $(DESTDIR)$(MODDIR) ; \
 	  $(INSTALL) -o root -g root -m 644 $(KERNELTARGETS) $(DESTDIR)$(MODDIR) ;\
 	fi
 install :: install-kernel 
diff --git a/kernel/busses/Module.mk b/kernel/busses/Module.mk
index 1330eb18..b265e523 100644
--- a/kernel/busses/Module.mk
+++ b/kernel/busses/Module.mk
@@ -51,8 +51,8 @@ all-kernel-busses: $(KERNELBUSSESTARGETS)
 all :: all-kernel-busses
 
 install-kernel-busses: all-kernel-busses
-	$(MKDIR) $(DESTDIR)$(MODDIR) 
-	if [ -n "$(DESTDIR)$(MODDIR)" ] ; then \
+	if [ -n "$(KERNELBUSSESTARGETS)" ] ; then \
+	  $(MKDIR) $(DESTDIR)$(MODDIR) ; \
 	  $(INSTALL) -o root -g root -m 644 $(KERNELBUSSESTARGETS) $(DESTDIR)$(MODDIR) ; \
 	fi
 
diff --git a/kernel/chips/Module.mk b/kernel/chips/Module.mk
index 74364761..5973433a 100644
--- a/kernel/chips/Module.mk
+++ b/kernel/chips/Module.mk
@@ -64,8 +64,8 @@ all-kernel-chips: $(KERNELCHIPSTARGETS)
 all :: all-kernel-chips
 
 install-kernel-chips: all-kernel-chips
-	$(MKDIR) $(DESTDIR)$(MODDIR) 
-	if [ -n "$(DESTDIR)$(MODDIR)" ] ; then \
+	if [ -n "$(KERNELCHIPSTARGETS)" ] ; then \
+	  $(MKDIR) $(DESTDIR)$(MODDIR) ; \
 	  $(INSTALL) -o root -g root -m 644 $(KERNELCHIPSTARGETS) $(DESTDIR)$(MODDIR) ;\
 	fi
 
diff --git a/kernel/include/Module.mk b/kernel/include/Module.mk
index 28a71545..b50e8d90 100644
--- a/kernel/include/Module.mk
+++ b/kernel/include/Module.mk
@@ -30,8 +30,10 @@ KERNELINCLUDEFILES += $(MODULE_DIR)/i2c-isa.h
 endif
 
 install-all-kernel-include:
-	$(MKDIR) $(DESTDIR)$(SYSINCLUDEDIR)
-	$(INSTALL) -o root -g root -m 644 $(KERNELINCLUDEFILES) $(DESTDIR)$(SYSINCLUDEDIR)
+	if [ -n "$(KERNELINCLUDEFILES)" ] ; then \
+	  $(MKDIR) $(DESTDIR)$(SYSINCLUDEDIR) ; \
+	  $(INSTALL) -o root -g root -m 644 $(KERNELINCLUDEFILES) $(DESTDIR)$(SYSINCLUDEDIR) ; \
+	fi
 
 install :: install-all-kernel-include