diff --git a/Source/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m b/Source/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
index 07f2597c7..1de33fbfd 100644
--- a/Source/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
+++ b/Source/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
@@ -370,6 +370,8 @@ - (void)reportUserException:(NSString *)name
                                     depth,
                                     terminateProgram);
 
+    free(callstack);
+
     // If bsg_kscrash_reportUserException() returns, we did not terminate.
     // Set up IDs and paths for the next crash.