diff --git a/dd_rescue.changes b/dd_rescue.changes
index a9b4dee..319caa6 100644
--- a/dd_rescue.changes
+++ b/dd_rescue.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Sep  4 23:25:28 CEST 2017 - kurt@garloff.de
+
+- Mark inline function static.
+
 -------------------------------------------------------------------
 Fri Aug 25 15:19:24 CEST 2017 - kurt@garloff.de
 
diff --git a/dd_rescue.spec b/dd_rescue.spec
index 443a7e1..96487d8 100644
--- a/dd_rescue.spec
+++ b/dd_rescue.spec
@@ -27,6 +27,7 @@ Source0:        http://garloff.de/kurt/linux/ddrescue/%{name}-%{version}.tar.bz2
 Source1:        http://garloff.de/kurt/linux/ddrescue/%{name}-%{version}.tar.bz2.asc
 Source2:        %{name}.keyring
 Source99:       %{name}.changes
+Patch1:		libddr_hash-round-down-static.diff
 BuildRequires:  autoconf
 BuildRequires:  libattr-devel
 BuildRequires:  libfallocate-devel
@@ -112,6 +113,7 @@ data to the decompressor; the plugin is still young and might expose bugs.
 
 %prep
 %setup -q
+%patch1 -p0
 
 # Remove build time references so build-compare can do its work
 FAKE_BUILDTIME=$(LC_ALL=C date -u -r %{SOURCE99} '+%%H:%%M')
diff --git a/libddr_hash-round-down-static.diff b/libddr_hash-round-down-static.diff
new file mode 100644
index 0000000..9824470
--- /dev/null
+++ b/libddr_hash-round-down-static.diff
@@ -0,0 +1,11 @@
+--- libddr_hash.c.orig	2017-08-25 09:51:38.170686244 +0200
++++ libddr_hash.c	2017-08-25 17:14:33.308431613 +0200
+@@ -398,7 +398,7 @@
+ #error __WORDSIZE unknown
+ #endif
+ 
+-inline int round_down(int val, const int gran)
++static inline int round_down(int val, const int gran)
+ {
+ 	return val-val%gran;
+ }