diff --git a/Core/HLE/sceKernelThread.cpp b/Core/HLE/sceKernelThread.cpp
index 0e096111c0..cade794e08 100644
--- a/Core/HLE/sceKernelThread.cpp
+++ b/Core/HLE/sceKernelThread.cpp
@@ -683,6 +683,7 @@ int __KernelRegisterActionType(ActionCreator creator)
 
 void __KernelRestoreActionType(int actionType, ActionCreator creator)
 {
+	_assert_(actionType >= 0);
 	mipsCalls.restoreActionType(actionType, creator);
 }
 
diff --git a/Core/HLE/sceNet.cpp b/Core/HLE/sceNet.cpp
index d1ad7e15e5..7ea5500995 100644
--- a/Core/HLE/sceNet.cpp
+++ b/Core/HLE/sceNet.cpp
@@ -244,7 +244,9 @@ void __NetDoState(PointerWrap &p) {
 		Do(p, netApctlState);
 		Do(p, netApctlInfo);
 		Do(p, actionAfterApctlMipsCall);
-		__KernelRestoreActionType(actionAfterApctlMipsCall, AfterApctlMipsCall::Create);
+		if (actionAfterApctlMipsCall != -1) {
+			__KernelRestoreActionType(actionAfterApctlMipsCall, AfterApctlMipsCall::Create);
+		}
 		Do(p, apctlThreadHackAddr);
 		Do(p, apctlThreadID);
 	}
diff --git a/Core/HLE/sceNetAdhoc.cpp b/Core/HLE/sceNetAdhoc.cpp
index 496a3a892b..683f0878ef 100644
--- a/Core/HLE/sceNetAdhoc.cpp
+++ b/Core/HLE/sceNetAdhoc.cpp
@@ -650,7 +650,9 @@ void __NetAdhocDoState(PointerWrap &p) {
 
 	if (s >= 2) {
 		Do(p, actionAfterMatchingMipsCall);
-		__KernelRestoreActionType(actionAfterMatchingMipsCall, AfterMatchingMipsCall::Create);
+		if (actionAfterMatchingMipsCall != -1) {
+			__KernelRestoreActionType(actionAfterMatchingMipsCall, AfterMatchingMipsCall::Create);
+		}
 
 		Do(p, dummyThreadHackAddr);
 	}
@@ -660,7 +662,9 @@ void __NetAdhocDoState(PointerWrap &p) {
 	}
 	if (s >= 3) {
 		Do(p, actionAfterAdhocMipsCall);
-		__KernelRestoreActionType(actionAfterAdhocMipsCall, AfterAdhocMipsCall::Create);
+		if (actionAfterAdhocMipsCall != -1) {
+			__KernelRestoreActionType(actionAfterAdhocMipsCall, AfterAdhocMipsCall::Create);
+		}
 
 		Do(p, matchingThreadHackAddr);
 	}