diff --git a/srcpkgs/openmpi/patches/fortran-flags.patch b/srcpkgs/openmpi/patches/fortran-flags.patch
new file mode 100644
index 00000000000..870425d67a4
--- /dev/null
+++ b/srcpkgs/openmpi/patches/fortran-flags.patch
@@ -0,0 +1,61 @@
+Workaound for missing -I/usr/include in the OpenMPI FORTRAN wrapper, which
+breaks includes of OpenMPI FORTRAN definitions.
+
+Upstream issue: https://github.com/open-mpi/ompi/issues/12257
+Void issue: https://github.com/void-linux/void-packages/issues/49322
+Arch inspiration: https://gitlab.archlinux.org/archlinux/packaging/packages/openmpi/-/blob/main/PKGBUILD
+
+--- a/opal/tools/wrappers/opal_wrapper.c
++++ b/opal/tools/wrappers/opal_wrapper.c
+@@ -59,8 +59,7 @@
+ #define OPAL_INCLUDE_FLAG "-I"
+ #define OPAL_LIBDIR_FLAG  "-L"
+ 
+-static const char * filtered_args[] = { "-I/usr/include",
+-                                        "-L/usr/lib",
++static const char * filtered_args[] = { "-L/usr/lib",
+                                         "-L/usr/lib64",
+                                         NULL };
+ 
+--- a/configure
++++ b/configure
+@@ -212365,8 +212365,8 @@
+ 
+ fi
+ 
+-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OMPI_WRAPPER_EXTRA_FCFLAGS" >&5
+-printf "%s\n" "$OMPI_WRAPPER_EXTRA_FCFLAGS" >&6; }
++       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OMPI_WRAPPER_FCFLAGS" >&5
++printf "%s\n" "$OMPI_WRAPPER_FCFLAGS" >&6; }
+ 
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for OMPI wrapper FCFLAGS_PREFIX" >&5
+ printf %s "checking for OMPI wrapper FCFLAGS_PREFIX... " >&6; }
+@@ -213138,7 +213138,7 @@
+ printf "%s\n" "#define OMPI_WRAPPER_CXXFLAGS \"$OMPI_WRAPPER_CXXFLAGS\"" >>confdefs.h
+ 
+ 
+-printf "%s\n" "#define OMPI_WRAPPER_FCFLAGS \"$OMPI_WRAPPER__FCFLAGS\"" >>confdefs.h
++printf "%s\n" "#define OMPI_WRAPPER_FCFLAGS \"$OMPI_WRAPPER_FCFLAGS\"" >>confdefs.h
+ 
+ 
+ printf "%s\n" "#define OMPI_WRAPPER_LDFLAGS \"$OMPI_WRAPPER_LDFLAGS\"" >>confdefs.h
+@@ -213310,8 +213310,8 @@
+ 
+ fi
+ 
+-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OSHMEM_WRAPPER_EXTRA_FCFLAGS" >&5
+-printf "%s\n" "$OSHMEM_WRAPPER_EXTRA_FCFLAGS" >&6; }
++       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OSHMEM_WRAPPER_FCFLAGS" >&5
++printf "%s\n" "$OSHMEM_WRAPPER_FCFLAGS" >&6; }
+ 
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for OSHMEM wrapper FCFLAGS_PREFIX" >&5
+ printf %s "checking for OSHMEM wrapper FCFLAGS_PREFIX... " >&6; }
+@@ -214098,7 +214098,7 @@
+ printf "%s\n" "#define OSHMEM_WRAPPER_CXXFLAGS \"$OSHMEM_WRAPPER_CXXFLAGS\"" >>confdefs.h
+ 
+ 
+-printf "%s\n" "#define OSHMEM_WRAPPER_FCFLAGS \"$OSHMEM_WRAPPER__FCFLAGS\"" >>confdefs.h
++printf "%s\n" "#define OSHMEM_WRAPPER_FCFLAGS \"$OSHMEM_WRAPPER_FCFLAGS\"" >>confdefs.h
+ 
+ 
+ printf "%s\n" "#define OSHMEM_WRAPPER_LDFLAGS \"$OSHMEM_WRAPPER_LDFLAGS\"" >>confdefs.h
diff --git a/srcpkgs/openmpi/template b/srcpkgs/openmpi/template
index 94db17d0669..7ed9ab54d7e 100644
--- a/srcpkgs/openmpi/template
+++ b/srcpkgs/openmpi/template
@@ -1,6 +1,6 @@
 # Template file for 'openmpi'
 pkgname=openmpi
-version=5.0.2
+version=5.0.3
 revision=1
 # OpenMPI >= 5 is 64-bit only
 archs="x86_64* aarch64* ppc64* riscv64*"
@@ -15,8 +15,8 @@ short_desc="High Performance Message Passing Library"
 maintainer="Andrew J. Hesford <ajh@sideband.org>"
 license="BSD-3-Clause"
 homepage="https://www.open-mpi.org/"
-distfiles="${homepage}/software/ompi/v${version%.*}/downloads/${pkgname}-${version}.tar.bz2"
-checksum=ee46ad8eeee2c3ff70772160bff877cbf38c330a0bc3b3ddc811648b3396698f
+distfiles="https://download.open-mpi.org/release/open-mpi/v${version%.*}/openmpi-${version}.tar.bz2"
+checksum=990582f206b3ab32e938aa31bbf07c639368e4405dca196fabe7f0f76eeda90b
 lib32disabled=yes
 
 if [ "${CROSS_BUILD}" ]; then