diff --git a/misp_modules/modules/expansion/yara_query.py b/misp_modules/modules/expansion/yara_query.py
index 565030c..9b24c88 100644
--- a/misp_modules/modules/expansion/yara_query.py
+++ b/misp_modules/modules/expansion/yara_query.py
@@ -3,7 +3,7 @@ import re
 try:
     import yara
 except (OSError, ImportError):
-    print("yara is missing, use 'pip3 install yara' to install it.")
+    print("yara is missing, use 'pip3 install -I -r REQUIREMENTS' from the root of this repository to install it.")
 
 misperrors = {'error': 'Error'}
 moduleinfo = {'version': '1', 'author': 'Christian STUDER',
diff --git a/misp_modules/modules/expansion/yara_syntax_validator.py b/misp_modules/modules/expansion/yara_syntax_validator.py
index c68d934..804ebd9 100644
--- a/misp_modules/modules/expansion/yara_syntax_validator.py
+++ b/misp_modules/modules/expansion/yara_syntax_validator.py
@@ -3,7 +3,7 @@ import requests
 try:
     import yara
 except (OSError, ImportError):
-    print("yara is missing, use 'pip3 install yara' to install it.")
+    print("yara is missing, use 'pip3 install -I -r REQUIREMENTS' from the root of this repository to install it.")
 
 misperrors = {'error': 'Error'}
 mispattributes = {'input': ['yara'], 'output': ['text']}