diff --git a/src/xenia/kernel/util/shim_utils.h b/src/xenia/kernel/util/shim_utils.h
index 2d13e91df..59d1e6854 100644
--- a/src/xenia/kernel/util/shim_utils.h
+++ b/src/xenia/kernel/util/shim_utils.h
@@ -40,6 +40,8 @@ using PPCContext = alloy::frontend::ppc::PPCContext;
 #define SHIM_SET_MEM_16(a, v) (*(uint16_t*)SHIM_MEM_ADDR(a)) = XESWAP16(v)
 #define SHIM_SET_MEM_32(a, v) (*(uint32_t*)SHIM_MEM_ADDR(a)) = XESWAP32(v)
 #define SHIM_SET_MEM_64(a, v) (*(uint64_t*)SHIM_MEM_ADDR(a)) = XESWAP64(v)
+#define SHIM_SET_MEM_F32(a, v) (*(float*)SHIM_MEM_ADDR(a)) = XESWAPF32BE(v)
+#define SHIM_SET_MEM_F64(a, v) (*(double*)SHIM_MEM_ADDR(a)) = XESWAPF64BE(v)
 
 #define SHIM_GPR_16(n)        (uint16_t)(ppc_state->r[n])
 #define SHIM_GPR_32(n)        (uint32_t)(ppc_state->r[n])
diff --git a/src/xenia/kernel/xboxkrnl_audio.cc b/src/xenia/kernel/xboxkrnl_audio.cc
index 5296578fb..3f8c2dca6 100644
--- a/src/xenia/kernel/xboxkrnl_audio.cc
+++ b/src/xenia/kernel/xboxkrnl_audio.cc
@@ -60,7 +60,7 @@ SHIM_CALL XAudioGetSpeakerConfig_shim(
       "XAudioGetSpeakerConfig(%.8X)",
       config_ptr);
 
-  SHIM_SET_MEM_32(config_ptr, 1);
+  SHIM_SET_MEM_32(config_ptr, 0x00010001);
 
   SHIM_SET_RETURN(X_ERROR_SUCCESS);
 }
@@ -95,7 +95,7 @@ SHIM_CALL XAudioGetVoiceCategoryVolume_shim(
       unk, out_ptr);
 
   // Expects a floating point single. Volume %?
-  SHIM_SET_MEM_32(out_ptr, 0);
+  SHIM_SET_MEM_F32(out_ptr, 1.0f);
 
   SHIM_SET_RETURN(X_ERROR_SUCCESS);
 }