diff --git a/ChangeLog.txt b/ChangeLog.txt
index 8309cf46b5..e31fbbb33a 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -13,6 +13,7 @@ Clients:
 Build:
 - A variety of minor build related fixes, like functions not having previous
   declarations.
+- Fix CMake cross compile builds not finding opensslconf.h. Closes #2160.
 
 
 2.0.9 - 2021-03-11
diff --git a/plugins/auth-by-ip/CMakeLists.txt b/plugins/auth-by-ip/CMakeLists.txt
index ce856715a8..45260bd5c5 100644
--- a/plugins/auth-by-ip/CMakeLists.txt
+++ b/plugins/auth-by-ip/CMakeLists.txt
@@ -1,5 +1,5 @@
 include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/include
-			${STDBOOL_H_PATH} ${STDINT_H_PATH})
+			${OPENSSL_INCLUDE_DIR} ${STDBOOL_H_PATH} ${STDINT_H_PATH})
 
 add_library(mosquitto_auth_by_ip SHARED mosquitto_auth_by_ip.c)
 set_target_properties(mosquitto_auth_by_ip PROPERTIES
diff --git a/plugins/message-timestamp/CMakeLists.txt b/plugins/message-timestamp/CMakeLists.txt
index 5949a75f9f..e53a4bc0d9 100644
--- a/plugins/message-timestamp/CMakeLists.txt
+++ b/plugins/message-timestamp/CMakeLists.txt
@@ -1,5 +1,5 @@
 include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/include
-			${STDBOOL_H_PATH} ${STDINT_H_PATH})
+			${OPENSSL_INCLUDE_DIR} ${STDBOOL_H_PATH} ${STDINT_H_PATH})
 
 add_library(mosquitto_message_timestamp SHARED mosquitto_message_timestamp.c)
 set_target_properties(mosquitto_message_timestamp PROPERTIES
diff --git a/plugins/payload-modification/CMakeLists.txt b/plugins/payload-modification/CMakeLists.txt
index 39878efc4e..a449291134 100644
--- a/plugins/payload-modification/CMakeLists.txt
+++ b/plugins/payload-modification/CMakeLists.txt
@@ -1,5 +1,5 @@
 include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/include
-			${STDBOOL_H_PATH} ${STDINT_H_PATH})
+			${OPENSSL_INCLUDE_DIR} ${STDBOOL_H_PATH} ${STDINT_H_PATH})
 link_directories(${mosquitto_SOURCE_DIR})
 
 add_library(mosquitto_payload_modification SHARED mosquitto_payload_modification.c)