diff --git a/utils.h b/utils.h
index 7b39cd4..b0b28a8 100644
--- a/utils.h
+++ b/utils.h
@@ -142,8 +142,9 @@
 // param. Returns true on success.
 bool GetBootloader(BootLoader* out_bootloader);
 
-// Returns the error message, if any, from a GError pointer.
-const char* GetGErrorMessage(const GError* error);
+// Returns the error message, if any, from a GError pointer. Frees the GError
+// object and resets error to NULL.
+std::string GetAndFreeGError(GError** error);
 
 // Initiates a system reboot. Returns true on success, false otherwise.
 bool Reboot();