diff --git a/src/c_bind.cpp b/src/c_bind.cpp
index e6c76ab06..c21e200d3 100644
--- a/src/c_bind.cpp
+++ b/src/c_bind.cpp
@@ -476,7 +476,7 @@ DEFINE_ACTION_FUNCTION(FKeyBindings, GetKeysForCommand)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FKeyBindings);
 	PARAM_STRING(cmd);
-	int k1, k2, c;
+	int k1, k2;
 	self->GetKeysForCommand(cmd.GetChars(), &k1, &k2);
 	if (numret > 0) ret[0].SetInt(k1);
 	if (numret > 1) ret[1].SetInt(k2);
diff --git a/src/s_sound.cpp b/src/s_sound.cpp
index d2e15ef17..0ac937d5a 100644
--- a/src/s_sound.cpp
+++ b/src/s_sound.cpp
@@ -1261,7 +1261,7 @@ DEFINE_ACTION_FUNCTION(DObject, S_Sound)
 	PARAM_INT(channel);
 	PARAM_FLOAT_DEF(volume);
 	PARAM_FLOAT_DEF(attn);
-	S_Sound(channel, id, volume, attn);
+	S_Sound(channel, id, static_cast<float>(volume), static_cast<float>(attn));
 	return 0;
 }