diff --git a/renderdoc/driver/gl/gl_debug.cpp b/renderdoc/driver/gl/gl_debug.cpp
index 694a26c4c..3983019f6 100644
--- a/renderdoc/driver/gl/gl_debug.cpp
+++ b/renderdoc/driver/gl/gl_debug.cpp
@@ -1163,7 +1163,7 @@ uint32_t GLReplay::PickVertex(uint32_t frameID, uint32_t eventID, MeshDisplay cf
 		PickResult *closest = pickResults;
 
 		// min with size of results buffer to protect against overflows
-		for(uint32_t i=1; i < RDCMIN(DebugRenderData::maxMeshPicks, numResults); i++)
+		for(uint32_t i=1; i < RDCMIN((uint32_t)DebugRenderData::maxMeshPicks, numResults); i++)
 		{
 			// We need to keep the picking order consistent in the face
 			// of random buffer appends, when multiple vertices have the
diff --git a/renderdoc/driver/gl/gl_replay.h b/renderdoc/driver/gl/gl_replay.h
index 1163e59e1..7d207f90b 100644
--- a/renderdoc/driver/gl/gl_replay.h
+++ b/renderdoc/driver/gl/gl_replay.h
@@ -257,7 +257,7 @@ class GLReplay : public IReplayDriver
 			GLuint customTex;
 			ResourceId CustomShaderTexID;
 			
-			static const uint32_t maxMeshPicks = 500;
+			static const int maxMeshPicks = 500;
 
 			GLuint meshPickProgram;
 			GLuint pickIBBuf, pickVBBuf;