diff --git a/SDL_sound.spec b/SDL_sound.spec
index f6de076..9917d9d 100644
--- a/SDL_sound.spec
+++ b/SDL_sound.spec
@@ -26,7 +26,7 @@ Release:        68
 Source:         %{name}-%{version}-nompglib.tar.bz2
 Source2:        baselibs.conf
 Patch0:         %{name}-%{version}-nompglib.patch
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Group:          System/Libraries
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
@@ -40,7 +40,7 @@ on-the-fly and behind-the-scenes.
 %package -n libSDL_sound-1_0-1
 Group:          System/Libraries
 Summary:        Sound Sample Library for SDL (Simple DirectMedia Layer)
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Provides:       SDL_sound = %{version}
 Obsoletes:      SDL_sound <= %{version}
 
@@ -52,7 +52,7 @@ pointer to the waveform. SDL_sound also can handle channel conversion
 on-the-fly and behind-the-scenes.
 
 %package -n libSDL_sound-devel
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Summary:        Sound Sample Library for SDL (Simple DirectMedia Layer)
 Group:          Development/Libraries/C and C++
 Requires:       libSDL_sound-1_0-1 = %{version} libSDL-devel