diff --git a/Makefile.am b/Makefile.am
index 5f0ee6453..49b417a81 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,10 +12,10 @@ endif
 if CONFIG_KERNEL
 SUBDIRS += module
 
-extradir = /usr/src/zfs-$(VERSION)
+extradir = @prefix@/src/zfs-$(VERSION)
 extra_HEADERS = zfs.release.in zfs_config.h.in
 
-kerneldir = /usr/src/zfs-$(VERSION)/$(LINUX_VERSION)
+kerneldir = @prefix@/src/zfs-$(VERSION)/$(LINUX_VERSION)
 nodist_kernel_HEADERS = zfs.release zfs_config.h module/$(LINUX_SYMBOLS)
 endif
 
diff --git a/include/Makefile.am b/include/Makefile.am
index 2e1c31aaf..a94cad50d 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -29,6 +29,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include
+kerneldir = @prefix@/src/zfs-$(VERSION)/include
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif
diff --git a/include/linux/Makefile.am b/include/linux/Makefile.am
index fc2df090e..d00b1c8ad 100644
--- a/include/linux/Makefile.am
+++ b/include/linux/Makefile.am
@@ -17,6 +17,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include/linux
+kerneldir = @prefix@/src/zfs-$(VERSION)/include/linux
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif
diff --git a/include/sys/Makefile.am b/include/sys/Makefile.am
index 8f01660cb..a755b394d 100644
--- a/include/sys/Makefile.am
+++ b/include/sys/Makefile.am
@@ -99,6 +99,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include/sys
+kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif
diff --git a/include/sys/fm/Makefile.am b/include/sys/fm/Makefile.am
index 4dc58945d..8bca5d846 100644
--- a/include/sys/fm/Makefile.am
+++ b/include/sys/fm/Makefile.am
@@ -16,6 +16,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include/sys/fm
+kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys/fm
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif
diff --git a/include/sys/fm/fs/Makefile.am b/include/sys/fm/fs/Makefile.am
index 76b525fe6..fdc9eb545 100644
--- a/include/sys/fm/fs/Makefile.am
+++ b/include/sys/fm/fs/Makefile.am
@@ -13,6 +13,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include/sys/fm/fs
+kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys/fm/fs
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif
diff --git a/include/sys/fs/Makefile.am b/include/sys/fs/Makefile.am
index c9fdf128d..0859b9f67 100644
--- a/include/sys/fs/Makefile.am
+++ b/include/sys/fs/Makefile.am
@@ -13,6 +13,6 @@ libzfs_HEADERS = $(COMMON_H) $(USER_H)
 endif
 
 if CONFIG_KERNEL
-kerneldir = /usr/src/zfs-$(VERSION)/include/sys/fs
+kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys/fs
 kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
 endif