diff --git a/FastImageCache/FastImageCache/FastImageCache/FICImageTable.m b/FastImageCache/FastImageCache/FastImageCache/FICImageTable.m
index 2925c02..ccf940b 100644
--- a/FastImageCache/FastImageCache/FastImageCache/FICImageTable.m
+++ b/FastImageCache/FastImageCache/FastImageCache/FICImageTable.m
@@ -234,6 +234,9 @@ - (instancetype)initWithFormat:(FICImageFormat *)imageFormat imageCache:(FICImag
 }
 
 - (void)dealloc {
+    if (_indexNumbers != NULL) {
+        CFRelease(_indexNumbers);
+    }
     if (_fileDescriptor >= 0) {
         close(_fileDescriptor);
     }