diff --git a/user_channel/channelcommands.cpp b/user_channel/channelcommands.cpp
index cf2c998..a0caeb6 100644
--- a/user_channel/channelcommands.cpp
+++ b/user_channel/channelcommands.cpp
@@ -390,6 +390,7 @@
     return IPMI_CC_OK;
 }
 
+void registerChannelFunctions() __attribute__((constructor));
 void registerChannelFunctions()
 {
     ipmiChannelInit();
diff --git a/user_channel/usercommands.cpp b/user_channel/usercommands.cpp
index 3bed8c5..d901e2c 100644
--- a/user_channel/usercommands.cpp
+++ b/user_channel/usercommands.cpp
@@ -493,6 +493,7 @@
     return IPMI_CC_INVALID_FIELD_REQUEST;
 }
 
+void registerUserIpmiFunctions() __attribute__((constructor));
 void registerUserIpmiFunctions()
 {
     ipmiUserInit();