diff --git a/src/misc2.c b/src/misc2.c
index 504cf0a..b8655e8 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -6496,13 +6496,15 @@
 get4c(fd)
     FILE	*fd;
 {
-    int		n;
+    /* Use unsigned rather than int otherwise result is undefined
+     * when left-shift sets the MSB. */
+    unsigned	n;
 
-    n = getc(fd);
-    n = (n << 8) + getc(fd);
-    n = (n << 8) + getc(fd);
-    n = (n << 8) + getc(fd);
-    return n;
+    n = (unsigned)getc(fd);
+    n = (n << 8) + (unsigned)getc(fd);
+    n = (n << 8) + (unsigned)getc(fd);
+    n = (n << 8) + (unsigned)getc(fd);
+    return (int)n;
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index ff4e3bb..f875d01 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    26,
+/**/
     25,
 /**/
     24,