diff --git a/README.md b/README.md
index 0450d19..10647d5 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,7 @@ Please follow the instruction for your shell:
 > - `_PR_PACKAGE_MANAGER`: Use defined package manager instead of
 > auto-detecting alphabetically. Empty value disables package search
 > functionality
+> 	- `_DEF_PR_PACKAGE_MANAGER`: compile-time value
 
 > You can specify different modes to run with `_PR_MODE`:
 >
diff --git a/core/src/args.rs b/core/src/args.rs
index 35934ce..8eb5058 100644
--- a/core/src/args.rs
+++ b/core/src/args.rs
@@ -79,6 +79,10 @@ fn print_version() {
 	if lib.is_some() {
 		println!("Default lib directory: {}", lib.unwrap());
 	}
+	let package_manager = option_env!("_DEF_PR_PACKAGE_MANAGER").map(|dir| dir.to_string());
+	if package_manager.is_some() {
+		println!("Default package manager: {}", package_manager.unwrap());
+	}
 }
 
 #[cfg(test)]
diff --git a/core/src/modes.rs b/core/src/modes.rs
index fe94a95..6c89d7a 100644
--- a/core/src/modes.rs
+++ b/core/src/modes.rs
@@ -1,6 +1,6 @@
-use std::path::Path;
 use colored::Colorize;
 use inquire::*;
+use std::path::Path;
 use ui::Color;
 
 use pay_respects_utils::evals::best_matches_path;
diff --git a/core/src/system.rs b/core/src/system.rs
index 8d0c28f..d709a85 100644
--- a/core/src/system.rs
+++ b/core/src/system.rs
@@ -13,6 +13,13 @@ pub fn get_package_manager(data: &mut Data) -> Option<String> {
 		return Some(package_manager);
 	}
 
+	if let Some(package_manager) = option_env!("_DEF_PR_PACKAGE_MANAGER") {
+		if package_manager.is_empty() {
+			return None;
+		}
+		return Some(package_manager.to_string());
+	}
+
 	for package_manager in &[
 		"apt", "dnf", "emerge", "guix", "nix", "pacman", "yum",
 		// "zypper",