diff --git a/CMakeLists.txt b/CMakeLists.txt
index 614d4524a1..3f8ce98e43 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -299,7 +299,7 @@ set(LIBOPENMC_FORTRAN_SRC
   src/angle_distribution.F90
   src/angleenergy_header.F90
   src/bank_header.F90
-  src/capi.F90
+  src/api.F90
   src/cmfd_data.F90
   src/cmfd_execute.F90
   src/cmfd_header.F90
diff --git a/src/capi.F90 b/src/api.F90
similarity index 98%
rename from src/capi.F90
rename to src/api.F90
index 66fbd97bcd..926ba77348 100644
--- a/src/capi.F90
+++ b/src/api.F90
@@ -1,4 +1,4 @@
-module openmc_capi
+module openmc_api
 
   use, intrinsic :: ISO_C_BINDING
 
@@ -129,4 +129,4 @@ contains
     end if
   end subroutine openmc_tally_results
 
-end module openmc_capi
+end module openmc_api