diff --git a/pid/ec/pid.hpp b/pid/ec/pid.hpp
index bc81504..ac77f05 100644
--- a/pid/ec/pid.hpp
+++ b/pid/ec/pid.hpp
@@ -8,7 +8,7 @@
 namespace ec
 {
 
-typedef struct
+typedef struct limits_t
 {
     double min = 0.0;
     double max = 0.0;
@@ -17,7 +17,7 @@
 /* Note: If you update these structs you need to update the copy code in
  * pid/util.cpp and the initialization code in pid/buildjson.hpp files.
  */
-typedef struct
+typedef struct pid_info_t
 {
     bool initialized = false;          // has pid been initialized
     bool checkHysterWithSetpt = false; // compare current input and setpoint to