diff --git a/code/renderer/tr_shader.c b/code/renderer/tr_shader.c
index 158f81a1..e8f1a8b1 100644
--- a/code/renderer/tr_shader.c
+++ b/code/renderer/tr_shader.c
@@ -1034,7 +1034,7 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
 	}
 
 	// decide which agens we can skip
-	if ( stage->alphaGen == CGEN_IDENTITY ) {
+	if ( stage->alphaGen == AGEN_IDENTITY ) {
 		if ( stage->rgbGen == CGEN_IDENTITY
 			|| stage->rgbGen == CGEN_LIGHTING_DIFFUSE ) {
 			stage->alphaGen = AGEN_SKIP;
@@ -1824,7 +1824,7 @@ static qboolean CollapseMultitexture( void ) {
 			return qfalse;
 		}
 	}
-	if ( stages[0].alphaGen == CGEN_WAVEFORM )
+	if ( stages[0].alphaGen == AGEN_WAVEFORM )
 	{
 		if ( memcmp( &stages[0].alphaWave,
 					 &stages[1].alphaWave,