diff --git a/internal/rosa/package/ncurses.az b/internal/rosa/package/ncurses.az
index 319ed96c..b6715a38 100644
--- a/internal/rosa/package/ncurses.az
+++ b/internal/rosa/package/ncurses.az
@@ -20,6 +20,13 @@ package ncurses {
 
 		// "tests" are actual demo programs, not a test suite.
 		skipCheck = true;
+
+		postInstall = `
+find /work/system/lib \
+	-type f \
+	-name '*.a' \
+	-exec objcopy --enable-deterministic-archives {} \;
+`;
 	};
 
 	inputs = [ pkg-config ];