diff --git a/src/libmongoc/CMakeLists.txt b/src/libmongoc/CMakeLists.txt
index 86f59ae..d108e5d 100644
--- a/src/libmongoc/CMakeLists.txt
+++ b/src/libmongoc/CMakeLists.txt
@@ -1172,7 +1172,7 @@ else ()
 endif ()
 
 set (MONGOC_HEADER_INSTALL_DIR
-   "${CMAKE_INSTALL_INCLUDEDIR}/libmongoc-${MONGOC_API_VERSION}"
+   "${CMAKE_INSTALL_INCLUDEDIR}"
 )
 
 install (
diff --git a/src/libmongoc/src/libmongoc-1.0.pc.in b/src/libmongoc/src/libmongoc-1.0.pc.in
index 1b489d8..991603e 100644
--- a/src/libmongoc/src/libmongoc-1.0.pc.in
+++ b/src/libmongoc/src/libmongoc-1.0.pc.in
@@ -8,4 +8,4 @@ Description: The libmongoc MongoDB client library.
 Version: @VERSION@
 Requires: libbson-1.0
 Libs: -L${libdir} -lmongoc-1.0
-Cflags: -I${includedir}/libmongoc-@MONGOC_API_VERSION@
+Cflags: -I${includedir}
diff --git a/src/libmongoc/src/libmongoc-static-1.0.pc.in b/src/libmongoc/src/libmongoc-static-1.0.pc.in
index d59ee64..c23bb62 100644
--- a/src/libmongoc/src/libmongoc-static-1.0.pc.in
+++ b/src/libmongoc/src/libmongoc-static-1.0.pc.in
@@ -8,4 +8,4 @@ Description: The libmongoc MongoDB client library.
 Version: @VERSION@
 Requires: libbson-static-1.0
 Libs: -L${libdir} -lmongoc-static-1.0 @MONGOC_LIBRARIES@
-Cflags: -I${includedir}/libmongoc-@MONGOC_API_VERSION@ -DMONGOC_STATIC
+Cflags: -I${includedir}/libmongoc -DMONGOC_STATIC