diff --git a/cmake/checks.cmake b/cmake/checks.cmake
index d00d760a3..f5cabaa82 100644
--- a/cmake/checks.cmake
+++ b/cmake/checks.cmake
@@ -184,7 +184,7 @@ MACRO(CHECK_LIBRARIES)
 	ENDIF(ENET_FOUND)
 
 	# OpenGL
-	Find_Package(OpenGL)
+	Find_Package(OpenGL 2.1.0)
 
 	IF(OPENGL_FOUND)
 		SET(HAVE_LIBGL 1)
diff --git a/src/libs/tgfclient/guiscreen.cpp b/src/libs/tgfclient/guiscreen.cpp
index 09febfc99..67566d079 100644
--- a/src/libs/tgfclient/guiscreen.cpp
+++ b/src/libs/tgfclient/guiscreen.cpp
@@ -431,8 +431,8 @@ bool GfScrInitSDL2(int nWinWidth, int nWinHeight, int nFullScreen)
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
 #else
     // Version d'OpenGL
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
 #endif