diff --git a/.drone.yml b/.drone.yml
index 3010276..0703751 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -78,8 +78,8 @@ steps:
       - export CXX=$(which g++)
       - export CONAN_PROFILE="$(pwd)/tools/conan/profiles/linux_gcc_amd64"
 
-      - conan install . --build=missing -pr=${CONAN_PROFILE}
-      - conan build . -pr=${CONAN_PROFILE}
+      - conan install . --build=missing -pr=$$CONAN_PROFILE
+      - conan build . -pr=$$CONAN_PROFILE
 
       - ./build/Release/modules/light/light
 
@@ -99,8 +99,8 @@ steps:
       - export CXX=$(which clang++)
       - export CONAN_PROFILE="$(pwd)/tools/conan/profiles/linux_gcc_amd64"
 
-      - conan install . --build=missing -pr=${CONAN_PROFILE}
-      - conan build . -pr=${CONAN_PROFILE}
+      - conan install . --build=missing -pr=$$CONAN_PROFILE
+      - conan build . -pr=$$CONAN_PROFILE
 
       - ./build/Release/modules/light/light