diff --git a/debian/qubes-core-agent.postinst b/debian/qubes-core-agent.postinst
index c0f4e47..b6fcb12 100755
--- a/debian/qubes-core-agent.postinst
+++ b/debian/qubes-core-agent.postinst
@@ -27,7 +27,7 @@ debug() {
 }
 
 is_static() {
-    [ -f "/lib/sytemd/system/$1" ] && ! grep -q '^[[].nstall]' "/lib/systemd/system/$1"
+    [ -f "/lib/systemd/system/$1" ] && ! grep -q '^[[].nstall]' "/lib/systemd/system/$1"
 }
 
 is_masked() {