diff --git a/Pmodules.spec b/Pmodules.spec
index 0ae2c73..87266b4 100644
--- a/Pmodules.spec
+++ b/Pmodules.spec
@@ -35,7 +35,7 @@ Requires:   Pmodules_bash
 Requires:   Pmodules_modules = 3.2.10.2
 Provides:   Pmodules
 
-conflicts:  environment_modules
+conflicts:  environment-modules
 
 Source0:    https://github.com/Pmodules/Pmodules/archive/refs/tags/%{version}.tar.gz