diff --git a/gcc7-fix.patch b/gcc7-fix.patch
new file mode 100644
index 0000000..b390c8f
--- /dev/null
+++ b/gcc7-fix.patch
@@ -0,0 +1,60 @@
+diff --git a/json_object.c b/json_object.c
+index 6cc73bc..6c1451e 100644
+--- a/json_object.c
++++ b/json_object.c
+@@ -551,7 +551,9 @@ int64_t json_object_get_int64(struct json_object *jso)
+   case json_type_boolean:
+     return jso->o.c_boolean;
+   case json_type_string:
+-	if (json_parse_int64(jso->o.c_string.str, &cint) == 0) return cint;
++	if (json_parse_int64(jso->o.c_string.str, &cint) == 0)
++	  return cint;
++	/* FALLTHRU */
+   default:
+     return 0;
+   }
+diff --git a/json_tokener.c b/json_tokener.c
+index 9a76293..ae7b1ae 100644
+--- a/json_tokener.c
++++ b/json_tokener.c
+@@ -305,6 +305,7 @@ struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
+             tok->err = json_tokener_error_parse_unexpected;
+             goto out;
+         }
++	/* FALLTHRU */
+       case '"':
+ 	state = json_tokener_state_string;
+ 	printbuf_reset(tok->pb);
+diff --git a/linkhash.c b/linkhash.c
+index 712c387..74e3b0f 100644
+--- a/linkhash.c
++++ b/linkhash.c
+@@ -376,17 +376,17 @@ static uint32_t hashlittle( const void *key, size_t length, uint32_t initval)
+     /*-------------------------------- last block: affect all 32 bits of (c) */
+     switch(length)                   /* all the case statements fall through */
+     {
+-    case 12: c+=((uint32_t)k[11])<<24;
+-    case 11: c+=((uint32_t)k[10])<<16;
+-    case 10: c+=((uint32_t)k[9])<<8;
+-    case 9 : c+=k[8];
+-    case 8 : b+=((uint32_t)k[7])<<24;
+-    case 7 : b+=((uint32_t)k[6])<<16;
+-    case 6 : b+=((uint32_t)k[5])<<8;
+-    case 5 : b+=k[4];
+-    case 4 : a+=((uint32_t)k[3])<<24;
+-    case 3 : a+=((uint32_t)k[2])<<16;
+-    case 2 : a+=((uint32_t)k[1])<<8;
++    case 12: c+=((uint32_t)k[11])<<24; /* FALLTHRU */
++    case 11: c+=((uint32_t)k[10])<<16; /* FALLTHRU */
++    case 10: c+=((uint32_t)k[9])<<8; /* FALLTHRU */
++    case 9 : c+=k[8]; /* FALLTHRU */
++    case 8 : b+=((uint32_t)k[7])<<24; /* FALLTHRU */
++    case 7 : b+=((uint32_t)k[6])<<16; /* FALLTHRU */
++    case 6 : b+=((uint32_t)k[5])<<8; /* FALLTHRU */
++    case 5 : b+=k[4]; /* FALLTHRU */
++    case 4 : a+=((uint32_t)k[3])<<24; /* FALLTHRU */
++    case 3 : a+=((uint32_t)k[2])<<16; /* FALLTHRU */
++    case 2 : a+=((uint32_t)k[1])<<8; /* FALLTHRU */
+     case 1 : a+=k[0];
+              break;
+     case 0 : return c;
diff --git a/json-c.changes b/json-c.changes
index 450142a..4f8c13f 100644
--- a/json-c.changes
+++ b/json-c.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Mar 23 09:29:23 UTC 2017 - mliska@suse.cz
+
+- Added gcc7-fix.patch
+
 -------------------------------------------------------------------
 Mon Jul 18 17:39:03 UTC 2016 - rpm@fthiessen.de
 
diff --git a/json-c.spec b/json-c.spec
index ca73b93..a891fe5 100644
--- a/json-c.spec
+++ b/json-c.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package json-c
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -31,6 +31,8 @@ Source0:        https://s3.amazonaws.com/json-c_releases/releases/%{name}-%{vers
 Source1:        baselibs.conf
 # PATCH-FIX-UPSTREAM fix-set-but-not-used.patch -- Fix set-but-not-used compile error in tests https://github.com/json-c/json-c/issues/240
 Patch0:         fix-set-but-not-used.patch
+# PATCH-FIX-UPSTREAM gcc7-fix.patch -- Fix new warnings seen by GCC7
+Patch1:         gcc7-fix.patch
 BuildRequires:  fdupes
 BuildRequires:  libtool
 BuildRequires:  pkgconfig
@@ -90,6 +92,7 @@ This package includes the json-c documentation.
 %prep
 %setup -q
 %patch0 -p1
+%patch1 -p1
 
 %build
 %if 0%{?suse_version} <= 1110