diff --git a/source/base.c b/source/base.c
index 65ca89e..7c008af 100644
--- a/source/base.c
+++ b/source/base.c
@@ -81,6 +81,8 @@ bool C3D_Init(size_t cmdBufSize)
 	if (ctx->flags & C3DiF_Active)
 		return false;
 
+	memset(ctx, 0x0, sizeof(C3D_Context));
+
 	cmdBufSize = (cmdBufSize + 0xF) &~ 0xF; // 0x10-byte align
 	ctx->cmdBufSize = cmdBufSize/4;
 	ctx->cmdBuf = (u32*)linearAlloc(cmdBufSize);