diff --git a/src/screengrab.c b/src/screengrab.c
index 8061b6c0..2e41d5af 100644
--- a/src/screengrab.c
+++ b/src/screengrab.c
@@ -37,6 +37,9 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRect rect)
 	else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
 		depth = 8;
 
+	CGDisplayModeRelease(mode);
+	CFRelease(pixEnc);
+
 	bitsPerPixel = (uint8_t) depth;
 	bytesPerPixel = bitsPerPixel / 8;
 	/* Align width to padding. */