diff --git a/devel/fossil/patches/patch-auto_def b/devel/fossil/patches/patch-auto_def
index 0c57f05d50c..a8c0775a4fe 100644
--- a/devel/fossil/patches/patch-auto_def
+++ b/devel/fossil/patches/patch-auto_def
@@ -10,3 +10,13 @@ Index: auto.def
    msg-result "Trying to link statically"
  } else {
    define-append EXTRA_CFLAGS -DFOSSIL_DYNAMIC_BUILD=1
+@@ -814,7 +814,8 @@ if {[opt-bool fusefs]} {
+   if {[opt-bool static]} {
+     msg-result "FuseFS support disabled due to -static"
+   } elseif {[cc-check-function-in-lib fuse_mount fuse]} {
+-    define-append EXTRA_CFLAGS -DFOSSIL_HAVE_FUSEFS
++    set cflags [exec pkg-config fuse --cflags-only-I]
++    define-append EXTRA_CFLAGS -DFOSSIL_HAVE_FUSEFS $cflags
+     define FOSSIL_HAVE_FUSEFS 1
+     msg-result "FuseFS support enabled"
+   }
diff --git a/sysutils/unionfs-fuse/Makefile b/sysutils/unionfs-fuse/Makefile
index 696f1ea1ccd..c833a7b3775 100644
--- a/sysutils/unionfs-fuse/Makefile
+++ b/sysutils/unionfs-fuse/Makefile
@@ -11,7 +11,8 @@ PERMIT_PACKAGE =	Yes
 
 WANTLIB =	c fuse pthread
 
-MAKE_FLAGS =	CPPFLAGS="-DFUSE_USE_VERSION=29 -DDISABLE_XATTR" \
+MAKE_FLAGS =	CPPFLAGS="-DFUSE_USE_VERSION=29 -DDISABLE_XATTR \
+		`pkg-config --cflags fuse`" \
 		LIB="-lfuse -lpthread"
 
 ALL_TARGET =	build