diff --git a/CMakeLists.txt b/CMakeLists.txt
index d060b67..5a3a9c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -210,8 +210,8 @@ elseif (UNIX)
     # install icon
     install (
         FILES assets/icons/app-icon.svg
-        DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/48x48/apps"
-        RENAME pineapple-pictures.svg
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps"
+        RENAME net.blumia.pineapple-pictures.svg
     )
 
     # install shortcut
diff --git a/dist/net.blumia.pineapple-pictures.desktop b/dist/net.blumia.pineapple-pictures.desktop
index 064263d..74ce6a7 100644
--- a/dist/net.blumia.pineapple-pictures.desktop
+++ b/dist/net.blumia.pineapple-pictures.desktop
@@ -5,7 +5,7 @@ Comment[zh_CN]=菠萝看图是一个轻量级的图像查看器
 Exec=ppic %F
 GenericName=Image Viewer
 GenericName[zh_CN]=图像查看器
-Icon=pineapple-pictures
+Icon=net.blumia.pineapple-pictures
 Keywords=Picture;Image;Viewer;Jpg;Jpeg;Png;
 MimeType=image/bmp;image/bmp24;image/jpg;image/jpe;image/jpeg;image/jpeg24;image/jng;image/pcd;image/pcx;image/png;image/tif;image/tiff;image/tiff24;image/dds;image/gif;image/sgi;image/j2k;image/jp2;image/pct;image/wdp;image/arw;image/icb;image/dng;image/vda;image/vst;image/svg;image/ptif;image/mef;image/xbm;image/svg+xml;
 Name=Pineapple Pictures