diff --git a/src/nim_status.nim b/src/nim_status.nim
index 009f039..f5eb706 100644
--- a/src/nim_status.nim
+++ b/src/nim_status.nim
@@ -77,12 +77,12 @@ proc sendTransaction*(jsonArgs: cstring, password: cstring): cstring {.exportc.}
   result = status_go.SendTransaction(jsonArgs, password)
   tearDownForeignThreadGc()
 
-proc generateAlias*(pk: GoString): cstring {.exportc.} =
+proc generateAlias*(pk: cstring): cstring {.exportc.} =
   setupForeignThreadGc()
   result = status_go.GenerateAlias(pk)
   tearDownForeignThreadGc()
 
-proc identicon*(pk: GoString): cstring {.exportc.} =
+proc identicon*(pk: cstring): cstring {.exportc.} =
   setupForeignThreadGc()
   result = status_go.Identicon(pk)
   tearDownForeignThreadGc()
diff --git a/src/status_go.nim b/src/status_go.nim
index 7a1e9d4..00fed5d 100644
--- a/src/status_go.nim
+++ b/src/status_go.nim
@@ -28,9 +28,9 @@ proc SetSignalEventCallback*(callback: SignalCallback) {.importc: "SetSignalEven
 
 proc SendTransaction*(jsonArgs: cstring, password: cstring): cstring {.importc: "SendTransaction".}
 
-proc GenerateAlias*(pk: GoString): cstring {.importc: "GenerateAlias".}
+proc GenerateAlias*(pk: cstring): cstring {.importc: "GenerateAlias".}
 
-proc Identicon*(pk: GoString): cstring {.importc: "Identicon".}
+proc Identicon*(pk: cstring): cstring {.importc: "Identicon".}
 
 proc Login*(accountData: cstring, password: cstring): cstring {.importc: "Login".}