diff --git a/source/picasso.h b/source/picasso.h
index 2a95c6e..7fdf008 100644
--- a/source/picasso.h
+++ b/source/picasso.h
@@ -226,8 +226,8 @@ struct DVLEData
 	u32 outputUsedReg;
 	int outputCount;
 
-	bool usesGshSpace() { return isGeoShader && !isCompatGeoShader; }
-	int findFreeOutput()
+	bool usesGshSpace() const { return isGeoShader && !isCompatGeoShader; }
+	int findFreeOutput() const
 	{
 		for (int i = 0; i < maxOutputReg(); i ++)
 			if (!(outputMask & BIT(i)))
@@ -235,7 +235,7 @@ struct DVLEData
 		return -1;
 	}
 
-	int findFreeInput()
+	int findFreeInput() const
 	{
 		for (int i = 0; i < 16; i ++)
 			if (!(inputMask & BIT(i)))
diff --git a/source/picasso_assembler.cpp b/source/picasso_assembler.cpp
index 8742542..ab72fda 100644
--- a/source/picasso_assembler.cpp
+++ b/source/picasso_assembler.cpp
@@ -81,7 +81,7 @@ struct UniformAllocBundle
 
 static UniformAllocBundle unifAlloc[2];
 
-static inline UniformAlloc& getAlloc(int type, DVLEData* dvle)
+static inline UniformAlloc& getAlloc(int type, const DVLEData* dvle)
 {
 	int x = dvle->usesGshSpace();
 	switch (type)