diff --git a/src/imageformats/eps.json b/src/imageformats/eps.json
index 4a7aeaf..62531ae 100644
--- a/src/imageformats/eps.json
+++ b/src/imageformats/eps.json
@@ -1,4 +1,4 @@
 {
     "Keys": [ "eps", "epsi", "epsf" ],
-    "MimeTypes": [ "image/x-eps" ]
+    "MimeTypes": [ "image/x-eps", "image/x-eps", "image/x-eps" ]
 }
diff --git a/src/imageformats/rgb.json b/src/imageformats/rgb.json
index 4e4486e..e9f4df3 100644
--- a/src/imageformats/rgb.json
+++ b/src/imageformats/rgb.json
@@ -1,4 +1,4 @@
 {
     "Keys": [ "rgb", "rgba", "bw", "sgi" ],
-    "MimeTypes": [ "image/x-rgb" ]
+    "MimeTypes": [ "image/x-rgb", "image/x-rgb", "image/x-rgb", "image/x-rgb" ]
 }