diff --git a/ltrace-0.7.91-rh1799619.patch b/ltrace-0.7.91-rh1799619.patch
new file mode 100644
index 0000000..ceef540
--- /dev/null
+++ b/ltrace-0.7.91-rh1799619.patch
@@ -0,0 +1,16 @@
+diff -rup a/expr.c b/expr.c
+--- a/expr.c	2013-10-10 08:43:55.000000000 -0400
++++ b/expr.c	2020-02-06 17:05:40.658679755 -0500
+@@ -189,10 +189,10 @@ int
+ expr_clone(struct expr_node *retp, const struct expr_node *node)
+ {
+ 	*retp = *node;
++	struct expr_node *nlhs;
++	struct expr_node *nrhs = NULL;
+ 
+ 	switch (node->kind) {
+-		struct expr_node *nlhs;
+-		struct expr_node *nrhs;
+ 
+ 	case EXPR_OP_ARGNO:
+ 	case EXPR_OP_SELF:
diff --git a/ltrace.spec b/ltrace.spec
index b5ea596..4b1dd35 100644
--- a/ltrace.spec
+++ b/ltrace.spec
@@ -1,7 +1,7 @@
 Summary: Tracks runtime library calls from dynamically linked executables
 Name: ltrace
 Version: 0.7.91
-Release: 36%{?dist}
+Release: 37%{?dist}
 URL: http://ltrace.alioth.debian.org/
 License: GPLv2+
 
@@ -123,6 +123,9 @@ Patch33: ltrace-0.7.91-testsuite-system_call_params.patch
 # Ignore bogus files from the environment
 Patch34: ltrace-0.7.91-XDG_CONFIG_DIRS.patch
 
+# GCC erroneously warns about uninitialized values
+Patch35: ltrace-0.7.91-rh1799619.patch
+
 %description
 Ltrace is a debugging program which runs a specified command until the
 command exits.  While the command is executing, ltrace intercepts and
@@ -169,6 +172,7 @@ execution of processes.
 %patch32 -p1
 %patch33 -p1
 %patch34 -p1
+%patch35 -p1
 
 %build
 autoreconf -i
@@ -196,6 +200,9 @@ echo ====================TESTING END=====================
 %{_datadir}/ltrace
 
 %changelog
+* Thu Feb  6 2020 DJ Delorie <dj@redhat.com> - 0.7.91-37
+- Initialize some variables to avoid gcc warning (#1799619)
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.7.91-36
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild