diff --git a/mirage.pro b/mirage.pro
index a9ea86f5..015af3b0 100644
--- a/mirage.pro
+++ b/mirage.pro
@@ -33,7 +33,7 @@ dev {
 # Files to copy for `make install`
 
 !dev:unix {
-    isEmpty(PREFIX) { PREFIX = /usr }
+    isEmpty(PREFIX) { PREFIX = /usr/local }
 
     executables.path  = $$PREFIX/bin
     executables.files = $$TARGET
diff --git a/packaging/appimage/build.sh b/packaging/appimage/build.sh
index daa471ee..d51d7b13 100755
--- a/packaging/appimage/build.sh
+++ b/packaging/appimage/build.sh
@@ -139,7 +139,7 @@ initialize_appdir() {
     cd ~/mirage
     rm -rf .qmake.stash Makefile build
 
-    qmake mirage.pro
+    qmake mirage.pro PREFIX=/usr
     make install INSTALL_ROOT=build/appdir
 }