diff --git a/.gitignore b/.gitignore
index 1c6f769..de6320c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /libbpf-new.patch
 /dwarves-1.16.tar.xz
 /dwarves.spec
+/dirname-truncation.patch
diff --git a/dwarves.spec b/dwarves.spec
index a915cd7..9f43a24 100644
--- a/dwarves.spec
+++ b/dwarves.spec
@@ -11,6 +11,7 @@ Source: http://fedorapeople.org/~acme/dwarves/%{name}-%{version}.tar.xz
 Patch1: 0001-cmake-libebl-was-merged-into-libdw.patch
 Patch2: libbpf-new.patch
 Patch3: 0001-dwarves-Add-D_LARGEFILE64_SOURCE-D_FILE_OFFSET_BITS-.patch
+Patch4: dirname-truncation.patch
 BuildRequires: gcc
 BuildRequires: cmake
 BuildRequires: zlib-devel
@@ -64,6 +65,7 @@ Debugging information processing library development files.
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 
 %build
 %cmake .
diff --git a/sources b/sources
index cc5b050..6101bba 100644
--- a/sources
+++ b/sources
@@ -2,4 +2,5 @@ SHA512 (0001-cmake-libebl-was-merged-into-libdw.patch) = 5eeed7f818498c86e6fcd94
 SHA512 (0001-dwarves-Add-D_LARGEFILE64_SOURCE-D_FILE_OFFSET_BITS-.patch) = 0092c443bf908f13cd434408f82dce8782a71a851b06b3b131a2faf7dcd27f46ea5fe8138e17f1758229e6c2ad2c910ce0bafeac75940e19b6ced99f75841c72
 SHA512 (libbpf-new.patch) = 02ce3b1646e645faffe93408332299f067b1e4e793e18f0c5b95568abfa27c5976737505eded6a61406d191ca96bbe188648c05166c1c46e763847c646dba00c
 SHA512 (dwarves-1.16.tar.xz) = 6d57b26db70736353d8797d1f7d68c7c73b6df3ae69eb66dd7cb07d6b50a26c4f2adaa576a8915a4a7f8c41b67dcebbfc8cbdf3ba507dbf941f63941b13d65b1
-SHA512 (dwarves.spec) = 8d1061636d9f76a5cc2461d54e790282fab26e71e4c87167f5de2ff00bc8f79e539d2ad9f90c26aaeedf95ceef375f12c8472d65c2938712cc222de6862c5ee1
+SHA512 (dwarves.spec) = 6c57cffe0ed40f78f31141810e8b33a555c6b31389f760f26139cb5d6628bc69b1346b9471fc2fe81313f8751c4fe5956199d7188077c42f98e3c3f205b28b19
+SHA512 (dirname-truncation.patch) = bb10b0a087c87544ff991c9caeb9951a5e270f2707c9e85c526f1fc00fef4c3edbe1456b344233a6e21f9bce3f192a9cf0199fe91a0eaa82c77b15bc41e17ec1