diff --git a/var/spack/repos/builtin/packages/ncurses/package.py b/var/spack/repos/builtin/packages/ncurses/package.py
index e9b469647e5..22f331112f5 100644
--- a/var/spack/repos/builtin/packages/ncurses/package.py
+++ b/var/spack/repos/builtin/packages/ncurses/package.py
@@ -20,7 +20,7 @@ class Ncurses(AutotoolsPackage, GNUMirrorPackage):
     # URL must remain http:// so Spack can bootstrap curl
     gnu_mirror_path = "ncurses/ncurses-6.1.tar.gz"
 
-    executables = [r'^ncursesw?\d*-config$']
+    executables = [r'^ncursesw?(?:\d+(?:\.\d+)*)?-config$']
 
     version('6.2', sha256='30306e0c76e0f9f1f0de987cf1c82a5c21e1ce6568b9227f7da5b71cbea86c9d')
     version('6.1', sha256='aa057eeeb4a14d470101eff4597d5833dcef5965331be3528c08d99cebaa0d17')