diff --git a/rav1e-0.1.0-build_nasm_debug.patch b/rav1e-0.1.0-build_nasm_debug.patch
new file mode 100644
index 0000000..b3a4c4b
--- /dev/null
+++ b/rav1e-0.1.0-build_nasm_debug.patch
@@ -0,0 +1,13 @@
+Index: rav1e-0.1.0/build.rs
+===================================================================
+--- rav1e-0.1.0.orig/build.rs	2019-11-09 06:20:33.000000000 +0100
++++ rav1e-0.1.0/build.rs	2019-12-09 23:45:33.367254150 +0100
+@@ -56,7 +56,7 @@ fn build_nasm_files() {
+       "src/x86/cdef.asm",
+       "src/x86/tables.asm",
+     ],
+-    &[&config_include_arg, "-Isrc/"],
++    &[&config_include_arg, "-Isrc/", "-g", "-Fdwarf"],
+   );
+   println!("cargo:rustc-link-lib=static=rav1easm");
+   rerun_dir("src/x86");
diff --git a/rav1e.changes b/rav1e.changes
index 67ce6e7..0875ca3 100644
--- a/rav1e.changes
+++ b/rav1e.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Dec  9 22:54:35 UTC 2019 - Andreas Schneider <asn@cryptomilk.org>
+
+- Build assembler files with dwarf debug symbols
+- Added rav1e-0.1.0-build_nasm_debug.patch
+
 -------------------------------------------------------------------
 Thu Dec  5 09:31:43 UTC 2019 - Andreas Schneider <asn@cryptomilk.org>
 
diff --git a/rav1e.spec b/rav1e.spec
index a925e89..393af46 100644
--- a/rav1e.spec
+++ b/rav1e.spec
@@ -28,6 +28,8 @@ URL:            https://github.com/xiph/rav1e
 Source0:        https://github.com/xiph/rav1e/archive/%{version}/%{name}-%{version}.tar.gz
 Source1:        vendor.tar.xz
 #
+Patch0:         rav1e-0.1.0-build_nasm_debug.patch
+#
 BuildRequires:  cargo-c
 BuildRequires:  nasm
 BuildRequires:  rust-packaging