diff --git a/run_with_mpi_wrappers.sh b/run_with_mpi_wrappers.sh
index f53ce73..8f02cdc 100755
--- a/run_with_mpi_wrappers.sh
+++ b/run_with_mpi_wrappers.sh
@@ -32,8 +32,8 @@ echo -e "${YELLOW}Using C compiler: ${RESET}${GREEN}$CC${RESET}"
 echo -e "${YELLOW}Using Fortran compiler: ${RESET}${GREEN}$FC${RESET}"
 echo ""
 
-echo -e "${BLUE}Compiling src/mpi_wrapper.c with $CC...${RESET}"
-$CC -I$CONDA_PREFIX/include -c src/mpi_wrapper.c
+echo -e "${BLUE}Compiling src/mpi_constants.c with $CC...${RESET}"
+$CC -I$CONDA_PREFIX/include -c src/mpi_constants.c
 
 echo -e "${BLUE}Compiling src/mpi_c_bindings.f90 with $FC...${RESET}"
 $FC -c src/mpi_c_bindings.f90
@@ -45,7 +45,7 @@ echo -e "${BLUE}Compiling $TEST_FILE with $FC...${RESET}"
 $FC -c "$TEST_FILE"
 
 echo -e "${CYAN}Linking objects to create executable: ${BOLD}${EXECUTABLE}${RESET}"
-$FC mpi_wrapper.o mpi_c_bindings.o mpi.o "$TEST_OBJ" -o "$EXECUTABLE" -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
+$FC mpi_constants.o mpi_c_bindings.o mpi.o "$TEST_OBJ" -o "$EXECUTABLE" -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 
 echo -e "${BOLD}${GREEN}Running:${RESET} ${YELLOW}mpiexec $MPI_ARGS ./$EXECUTABLE${RESET}"
 mpiexec $MPI_ARGS ./"$EXECUTABLE"
diff --git a/src/mpi_wrapper.c b/src/mpi_constants.c
similarity index 100%
rename from src/mpi_wrapper.c
rename to src/mpi_constants.c
diff --git a/tests/pot3d/build_and_run_gfortran.sh b/tests/pot3d/build_and_run_gfortran.sh
index 34871f4..92c8411 100755
--- a/tests/pot3d/build_and_run_gfortran.sh
+++ b/tests/pot3d/build_and_run_gfortran.sh
@@ -7,12 +7,12 @@ else
 fi
 
 cd src
-$CC -I$CONDA_PREFIX/include -c ../../../src/mpi_wrapper.c
+$CC -I$CONDA_PREFIX/include -c ../../../src/mpi_constants.c
 $FC -c ../../../src/mpi_c_bindings.f90
 $FC -c ../../../src/mpi.f90
 $FC -c psi_io.f90
 $FC -c -cpp pot3d.F90
-$FC mpi_wrapper.o mpi_c_bindings.o mpi.o psi_io.o pot3d.o -o pot3d -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
+$FC mpi_constants.o mpi_c_bindings.o mpi.o psi_io.o pot3d.o -o pot3d -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 cp pot3d ../bin/
 
 cd ..
diff --git a/tests/pot3d/build_and_run_lfortran.sh b/tests/pot3d/build_and_run_lfortran.sh
index 48acaab..dd29124 100755
--- a/tests/pot3d/build_and_run_lfortran.sh
+++ b/tests/pot3d/build_and_run_lfortran.sh
@@ -7,12 +7,12 @@ else
 fi
 
 cd src
-$CC -I$CONDA_PREFIX/include -c ../../../src/mpi_wrapper.c
+$CC -I$CONDA_PREFIX/include -c ../../../src/mpi_constants.c
 $FC -c ../../../src/mpi_c_bindings.f90
 $FC -c ../../../src/mpi.f90
 $FC -c psi_io.f90 --no-style-warnings --no-warnings
 $FC -c --cpp --implicit-interface pot3d.F90 --no-style-warnings --no-warnings
-$FC mpi_wrapper.o mpi_c_bindings.o mpi.o psi_io.o pot3d.o -o pot3d -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
+$FC mpi_constants.o mpi_c_bindings.o mpi.o psi_io.o pot3d.o -o pot3d -L$CONDA_PREFIX/lib -lmpi -Wl,-rpath,$CONDA_PREFIX/lib
 cp pot3d ../bin/
 
 cd ..
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 7e7feec..1e8f4ea 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -75,7 +75,7 @@ else
 fi
 
 if [ $USE_WRAPPERS -eq 1 ]; then
-  $CC -I"$CONDA_PREFIX/include" -c ../src/mpi_wrapper.c
+  $CC -I"$CONDA_PREFIX/include" -c ../src/mpi_constants.c
   $FC $FC_FLAGS -c ../src/mpi_c_bindings.f90
   $FC $FC_FLAGS -c ../src/mpi.f90
 fi
@@ -94,7 +94,7 @@ for file in "${TEST_FILES[@]}"; do
   $FC -c "$file"
 
   if [ $USE_WRAPPERS -eq 1 ]; then
-    $FC mpi_wrapper.o mpi_c_bindings.o mpi.o "$filename.o" \
+    $FC mpi_constants.o mpi_c_bindings.o mpi.o "$filename.o" \
       -o "$filename" -L"$CONDA_PREFIX/lib" -lmpi -Wl,-rpath,"$CONDA_PREFIX/lib"
   else
     $FC "$filename.o" -o "$filename"