diff --git a/components/crashcatcher/crashcatcher.cpp b/components/crashcatcher/crashcatcher.cpp
index 86571e1e3a..c828e1ca81 100644
--- a/components/crashcatcher/crashcatcher.cpp
+++ b/components/crashcatcher/crashcatcher.cpp
@@ -56,8 +56,6 @@ static const char exec_err[] = "!!! Failed to exec debug process\n";
 
 static char argv0[PATH_MAX];
 
-static char altstack[SIGSTKSZ];
-
 
 static struct {
     int signum;
@@ -475,9 +473,10 @@ int crashCatcherInstallHandlers(int argc, char **argv, int num_signals, int *sig
 
     /* Set an alternate signal stack so SIGSEGVs caused by stack overflows
      * still run */
+    static char* altstack = new char [SIGSTKSZ];
     altss.ss_sp = altstack;
     altss.ss_flags = 0;
-    altss.ss_size = sizeof(altstack);
+    altss.ss_size = SIGSTKSZ;
     sigaltstack(&altss, nullptr);
 
     memset(&sa, 0, sizeof(sa));