diff --git a/tcsh-6.19.00-024-use-sysmalloc.patch b/tcsh-6.19.00-024-use-sysmalloc.patch
new file mode 100644
index 0000000..7b24357
--- /dev/null
+++ b/tcsh-6.19.00-024-use-sysmalloc.patch
@@ -0,0 +1,28 @@
+From b2c7dbcf2b32ad5ad6dec5575fb630180677555a Mon Sep 17 00:00:00 2001
+From: christos <christos>
+Date: Tue, 8 Mar 2016 12:42:06 +0000
+Subject: [PATCH] Detect __GLIBC__ so it uses sysmalloc from <features.h>
+ https://bugzilla.redhat.com/show_bug.cgi?id=1303323
+
+---
+ config_f.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/config_f.h b/config_f.h
+index f6fec55..4a9fe3a 100644
+--- a/config_f.h
++++ b/config_f.h
+@@ -38,6 +38,10 @@
+ #ifndef _h_config_f
+ #define _h_config_f
+ 
++#ifdef HAVE_FEATURES_H
++#include <features.h>		/* for __GLIBC__ */
++#endif
++
+ /*
+  * SHORT_STRINGS Use at least 16 bit characters instead of 8 bit chars
+  * 	         This fixes up quoting problems and eases implementation
+-- 
+2.5.5
+
diff --git a/tcsh.spec b/tcsh.spec
index d33a02e..28be5e0 100644
--- a/tcsh.spec
+++ b/tcsh.spec
@@ -52,6 +52,7 @@ Patch020: tcsh-6.19.00-020-make-heredoc-interruptible-again.patch
 Patch021: tcsh-6.19.00-021-remove-extra-semicolon.patch
 Patch022: tcsh-6.19.00-022-fix-source-command-memory-leak.patch
 Patch023: tcsh-6.19.00-023-fix-debugging-code.patch
+Patch024: tcsh-6.19.00-024-use-sysmalloc.patch
 
 
 # Downstream patches -- these should be always included when doing rebase:
@@ -196,6 +197,7 @@ fi
     tcsh-6.19.00-021-remove-extra-semicolon.patch
     tcsh-6.19.00-022-fix-source-command-memory-leak.patch
     tcsh-6.19.00-023-fix-debugging-code.patch
+    tcsh-6.19.00-024-use-sysmalloc.patch
 
 * Thu Apr 21 2016 David Kaspar [Dee'Kej] <dkaspar@redhat.com> - 6.19.00-6
 - Drop tcsh-6.15.00-closem.patch - issue not reproducible, patch not accepted by upstream