diff --git a/src/fd.c b/src/fd.c
index 6258d16..e48c759 100644
--- a/src/fd.c
+++ b/src/fd.c
@@ -45,7 +45,7 @@ static int has_include = 0, has_exclude = 0;
 
 /* File descriptor cherry picking */
 static int *ranges = NULL;
-static int ranges_static[512];
+static int static_ranges[512];
 
 /* File descriptor stuff. When program is launched, we use the static array of
  * 32 structures, which ought to be enough for most programs. If it happens
@@ -98,8 +98,7 @@ void _zz_exclude(char const *regex)
 /* This function is the same as _zz_bytes() */
 void _zz_pick(char const *list)
 {   
-    /* TODO: free(ranges) if ranges != ranges_static */
-    ranges = _zz_allocrange(list, ranges_static);
+    ranges = _zz_allocrange(list, static_ranges);
 }
 
 void _zz_setseed(int32_t s)
@@ -190,6 +189,8 @@ void _zz_fd_fini(void)
        free(files);
     if(fds != static_fds)
         free(fds);
+    if(ranges != static_ranges)
+        free(ranges);
 }
 
 int _zz_mustwatch(char const *file)
diff --git a/src/fuzz.c b/src/fuzz.c
index dc73af3..812746f 100644
--- a/src/fuzz.c
+++ b/src/fuzz.c
@@ -46,7 +46,7 @@ fuzzing;
 
 /* Per-offset byte protection */
 static int *ranges = NULL;
-static int ranges_static[512];
+static int static_ranges[512];
 
 /* Per-value byte protection */
 static int protect[256];
@@ -68,8 +68,8 @@ extern void _zz_fuzzing(char const *mode)
 /* This function is the same as _zz_pick() */
 void _zz_bytes(char const *list)
 {
-    /* TODO: free(ranges) if ranges != ranges_static */
-    ranges = _zz_allocrange(list, ranges_static);
+    /* TODO: free(ranges) if ranges != static_ranges */
+    ranges = _zz_allocrange(list, static_ranges);
 }
 
 void _zz_protect(char const *list)
diff --git a/src/ranges.c b/src/ranges.c
index ef706ec..6c56acf 100644
--- a/src/ranges.c
+++ b/src/ranges.c
@@ -32,9 +32,9 @@
 /* This function converts a string containing a list of ranges in the format
  * understood by cut(1) such as "1-5,8,10-" into a C array for lookup.
  * If more than 256 slots are required, new memory is allocated, otherwise
- * the static array ranges_static is used. It is the caller's duty to call
- * free() if the returned value is not ranges_static. */
-int *_zz_allocrange(char const *list, int *ranges_static)
+ * the static array static_ranges is used. It is the caller's duty to call
+ * free() if the returned value is not static_ranges. */
+int *_zz_allocrange(char const *list, int *static_ranges)
 {
     char const *parser;
     int *ranges;
@@ -48,7 +48,7 @@ int *_zz_allocrange(char const *list, int *ranges_static)
     if(chunks >= 256)
         ranges = malloc((chunks + 1) * 2 * sizeof(unsigned int));
     else
-        ranges = ranges_static;
+        ranges = static_ranges;
 
     /* Fill ranges list */
     for(parser = list, i = 0; i < chunks; i++)